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Comparison of orbital rocket engines
open-in-new
<h2 id="current-upcoming-and-in-development-rocket-engines">Current, upcoming, and in-development rocket engines</h2> <table><tbody><tr><th>Engine</th><th>Origin</th><th>Designer</th><th><a href="/facts/Spacecraft/YQqQaUw0">Vehicle</a></th><th>Status</th><th><a href="/facts/Multistage_rocket/WNrmgztj">Use</a></th><th><a href="/facts/Rocket_propellant/IyFhQEA2">Propellant</a></th><th>Power cycle</th><th><a href="/facts/Specific_impulse/JKGgw2I4">Specific impulse</a> (s)<a class="footnote-ref" id="fnref:1" href="#fn:1"><sup>1</sup></a></th><th><a href="/facts/Thrust/EM04CqV7">Thrust</a> (N)<a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a></th><th><a href="/facts/Combustion_chamber/FNqjDrN8">Chamber</a> pressure (bar)</th><th>Mass (kg)</th><th><a href="/facts/Thrust-to-weight_ratio/lgAXJLRJ">Thrust:weight ratio</a><a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a></th><th>Oxidiser:fuel ratio</th></tr><tr><td><a href="/facts/AJ-10/3qW5la7q">AJ-10-190</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Aerojet/hlrJsgVF">Aerojet</a></td><td><a href="/facts/Space_Shuttle/7BoyetEv">Space Shuttle</a>, <a href="/facts/Orion_(spacecraft)/nh8VQRpD">Orion</a>, <a href="/facts/Apollo_CSM/rfoTgzFx">Apollo CSM</a></td><td>Active</td><td>Upper</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a>/<a href="/facts/Monomethylhydrazine/2DPIl19F">MMH</a></td><td><a href="/facts/Pressure-fed_engine/doEYm9wH">Pressure-fed</a></td><td>316<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a></td><td>26,689<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a></td><td>8.62<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a></td><td>118<a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a></td><td>23.08</td><td></td></tr><tr><td><a href="/facts/Archimedes_(rocket_engine)/98nVHK2o">Archimedes</a></td><td> <a href="/facts/New_Zealand/4mpSlJdg">New Zealand</a> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Rocket_Lab/o5Wlgg6P">Rocket Lab</a></td><td><a href="/facts/Neutron_(rocket)/nXdmteyP">Neutron</a></td><td>Development</td><td>1st, 2nd</td><td><a href="/facts/Liquid_methane/kBHneYnh">CH4</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td></td><td>730,000</td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/Relativity_Space/7jjIhkvW">Aeon-R</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Relativity_Space/7jjIhkvW">Relativity Space</a></td><td><a href="/facts/Terran_R/7jjIhkvW">Terran R</a></td><td>Development</td><td>1st, 2nd</td><td><a href="/facts/Liquid_methane/kBHneYnh">CH4</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td></td><td>1,147,000</td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/BE-3U/m4yJN4ma">BE-3U</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Blue_Origin/CxFvEmDr">Blue Origin</a></td><td><a href="/facts/New_Glenn/zu8UwR3P">New Glenn</a></td><td>Active</td><td>2nd</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Expander_cycle/vUu8MYyj">Expander, open</a></td><td>445<a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a></td><td>765,000<a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/BE-4/jWdHDk49">BE-4</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Blue_Origin/CxFvEmDr">Blue Origin</a></td><td><a href="/facts/New_Glenn/zu8UwR3P">New Glenn</a>, <a href="/facts/Vulcan_(rocket)/ItQaJHkk">Vulcan</a></td><td>Active<a class="footnote-ref" id="fnref:10" href="#fn:10"><sup>10</sup></a></td><td>1st</td><td><a href="/facts/Methane/kBHneYnh">CH4</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>340<a class="footnote-ref" id="fnref:11" href="#fn:11"><sup>11</sup></a></td><td>2,400,000<a class="footnote-ref" id="fnref:12" href="#fn:12"><sup>12</sup></a><a class="footnote-ref" id="fnref:13" href="#fn:13"><sup>13</sup></a></td><td>138<a class="footnote-ref" id="fnref:14" href="#fn:14"><sup>14</sup></a></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/BE-7/CxFvEmDr">BE-7</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Blue_Origin/CxFvEmDr">Blue Origin</a></td><td><a href="/facts/Blue_Moon_(spacecraft)/7eHatV7v">Blue Moon</a></td><td>Development</td><td>1st</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Expander_cycle/vUu8MYyj">Expander, open</a></td><td></td><td>44,000</td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/CE-20/Im5eoenA">CE-20</a></td><td> <a href="/facts/India/1kKHcnxM">India</a></td><td><a href="/facts/Liquid_Propulsion_Systems_Centre/WJsn3f3P">LPSC</a></td><td><a href="/facts/Geosynchronous_Satellite_Launch_Vehicle_Mark_III/BHqVWNrW">GSLV Mk III</a></td><td>Active</td><td>Upper</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>434</td><td>196,500</td><td>60.00</td><td>588</td><td>34.1</td><td>5.05</td></tr><tr><td><a href="/facts/CE-7.5/BhNXKT7y">CE-7.5</a></td><td> <a href="/facts/India/1kKHcnxM">India</a></td><td><a href="/facts/Liquid_Propulsion_Systems_Centre/WJsn3f3P">LPSC</a></td><td><a href="/facts/GSLV/PBneb7NS">GSLV Mk II</a></td><td>Active</td><td>Upper</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged</a></td><td>454<a class="footnote-ref" id="fnref:15" href="#fn:15"><sup>15</sup></a></td><td>73,500</td><td>58</td><td>445</td><td>16.85</td><td></td></tr><tr><td>E2</td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/ABL_Space_Systems/zEEVGxaM">ABL Space Systems</a></td><td><a href="/facts/RS1_(rocket)/cykUvXFk">RS1</a></td><td>Active</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a> // Jet-A / LOX</td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td></td><td>53,800<a class="footnote-ref" id="fnref:16" href="#fn:16"><sup>16</sup></a></td><td>64</td><td></td><td></td><td></td></tr><tr><td>E2 Vacuum</td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/ABL_Space_Systems/zEEVGxaM">ABL Space Systems</a></td><td><a href="/facts/RS1_(rocket)/cykUvXFk">RS1</a></td><td>Active</td><td>2nd</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a> // Jet-A / LOX</td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td></td><td>57,800<a class="footnote-ref" id="fnref:17" href="#fn:17"><sup>17</sup></a></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/Vast_(company)/X1Uc3exx">Engine-2</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Vast_(company)/X1Uc3exx">Vast</a></td><td>TBA</td><td>Development</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>327<a class="footnote-ref" id="fnref:18" href="#fn:18"><sup>18</sup></a> 290 (SL)</td><td>100,000<a class="footnote-ref" id="fnref:19" href="#fn:19"><sup>19</sup></a></td><td>100</td><td></td><td></td><td>2.62</td></tr><tr><td><a href="/facts/Vast_(company)/X1Uc3exx">Engine-2 Vacuum</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Vast_(company)/X1Uc3exx">Vast</a></td><td>TBA</td><td>Development</td><td>2nd</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>365<a class="footnote-ref" id="fnref:20" href="#fn:20"><sup>20</sup></a></td><td>100,000<a class="footnote-ref" id="fnref:21" href="#fn:21"><sup>21</sup></a></td><td></td><td></td><td></td><td>2.62</td></tr><tr><td><a href="/facts/Graphite-Epoxy_Motor/wXHHlgdn">GEM 63</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Northrop_Grumman/M6keKE1A">Northrop Grumman</a></td><td><a href="/facts/Atlas_V/5SNgegyt">Atlas V</a></td><td>Active</td><td><a href="/facts/Solid_rocket_booster/Fw48fMUf">Booster</a></td><td><a href="/facts/HTPB/vY8fBq7C">HTPB</a></td><td>Solid fuel</td><td>279.06 (Vac)<a class="footnote-ref" id="fnref:22" href="#fn:22"><sup>22</sup></a></td><td>1,662,745<a class="footnote-ref" id="fnref:23" href="#fn:23"><sup>23</sup></a></td><td></td><td>49,300 with fuel</td><td></td><td></td></tr><tr><td><a href="/facts/Graphite-Epoxy_Motor/wXHHlgdn">GEM 63XL</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Northrop_Grumman/M6keKE1A">Northrop Grumman</a></td><td><a href="/facts/Vulcan_(rocket)/ItQaJHkk">Vulcan</a></td><td>Active</td><td><a href="/facts/Solid_rocket_booster/Fw48fMUf">Booster</a></td><td><a href="/facts/HTPB/vY8fBq7C">HTPB</a></td><td>Solid fuel</td><td>280.3 (Vac)<a class="footnote-ref" id="fnref:24" href="#fn:24"><sup>24</sup></a></td><td>2,025,720<a class="footnote-ref" id="fnref:25" href="#fn:25"><sup>25</sup></a></td><td></td><td>53,400 with fuel</td><td></td><td></td></tr><tr><td><a href="/facts/Hadley_engine/yLJRqKxJ">Hadley</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Ursa_Major_Technologies/UyIM54gK">Ursa Major Technologies</a></td><td><a href="/facts/Astra_(American_spaceflight_company)/LdThMcvD">Rocket 4</a></td><td>Active</td><td>2nd</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td></td><td>22,241 (SL)<a class="footnote-ref" id="fnref:26" href="#fn:26"><sup>26</sup></a></td><td>62</td><td></td><td></td><td></td></tr><tr><td>Helix</td><td> <a href="/facts/Germany/paluuWBX">Germany</a></td><td><a href="/facts/Rocket_Factory_Augsburg/HmvYqWgU">Rocket Factory Augsburg</a></td><td><a href="/facts/Rocket_Factory_Augsburg/HmvYqWgU">RFA One</a></td><td>Development</td><td>1st, 2nd</td><td>RP-1/LOX</td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged combustion</a></td><td>350,325 (SL)<a class="footnote-ref" id="fnref:27" href="#fn:27"><sup>27</sup></a></td><td>100,000<a class="footnote-ref" id="fnref:28" href="#fn:28"><sup>28</sup></a></td><td>100<a class="footnote-ref" id="fnref:29" href="#fn:29"><sup>29</sup></a></td><td></td><td></td><td></td></tr><tr><td>HyPER-15<a class="footnote-ref" id="fnref:30" href="#fn:30"><sup>30</sup></a></td><td> <a href="/facts/South_Korea/pCobAaVw">South Korea</a></td><td><a href="/facts/Innospace/CT6m0Me0">Innospace</a></td><td>Hanbit-Nano, -Micro, -Mini</td><td>Development</td><td>1st</td><td><a href="/facts/Paraffin_wax/11Dyraqg">Paraffin</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Electric-pump-fed_engine/AjVGSvJC">Electric pump</a></td><td>292</td><td>150,000<a class="footnote-ref" id="fnref:31" href="#fn:31"><sup>31</sup></a></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/LE-5/CmIB1NHS">LE-5</a>B</td><td> <a href="/facts/Japan/U5mz0SRT">Japan</a></td><td><a href="/facts/Mitsubishi_Heavy_Industries/8sEQU1Yn">Mitsubishi</a>, <a href="/facts/Japan_Aerospace_Exploration_Agency/ofUpflgf">JAXA</a></td><td><a href="/facts/H-IIA/W9Q48DHS">H-IIA</a>, <a href="/facts/H-IIB/k5CMQBXm">H-IIB</a></td><td>Active</td><td>Upper</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Expander_cycle/vUu8MYyj">Expander, open</a></td><td>447<a class="footnote-ref" id="fnref:32" href="#fn:32"><sup>32</sup></a></td><td>137,000</td><td>36.0</td><td>269</td><td>51.93</td><td>5</td></tr><tr><td><a href="/facts/LE-7/xuLBI2Hn">LE-7</a>A</td><td> <a href="/facts/Japan/U5mz0SRT">Japan</a></td><td><a href="/facts/Mitsubishi_Heavy_Industries/8sEQU1Yn">Mitsubishi</a>, <a href="/facts/Japan_Aerospace_Exploration_Agency/ofUpflgf">JAXA</a></td><td><a href="/facts/H-IIA/W9Q48DHS">H-IIA</a>, <a href="/facts/H-IIB/k5CMQBXm">H-IIB</a></td><td>Active</td><td>1st</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged</a></td><td>438<a class="footnote-ref" id="fnref:33" href="#fn:33"><sup>33</sup></a> 338 (SL)<a class="footnote-ref" id="fnref:34" href="#fn:34"><sup>34</sup></a></td><td>1,098,000870,000 (SL)</td><td>120</td><td>1,800</td><td>65.9</td><td>5.9</td></tr><tr><td><a href="/facts/LE-9/UhDX2T0e">LE-9</a></td><td> <a href="/facts/Japan/U5mz0SRT">Japan</a></td><td><a href="/facts/Mitsubishi_Heavy_Industries/8sEQU1Yn">Mitsubishi</a>, <a href="/facts/Japan_Aerospace_Exploration_Agency/ofUpflgf">JAXA</a></td><td><a href="/facts/H3_(rocket)/EKKfaGSl">H-3</a></td><td>Development</td><td>1st</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Expander_cycle/vUu8MYyj">Expander, open</a></td><td>425<a class="footnote-ref" id="fnref:35" href="#fn:35"><sup>35</sup></a></td><td>1,471,000</td><td>100</td><td>2,400</td><td>62.5</td><td>5.9</td></tr><tr><td><a href="/facts/Firefly_Alpha/WgS3JAbY">Lightning 1</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Firefly_Aerospace/4ezytxxr">Firefly Aerospace</a></td><td><a href="/facts/Firefly_Alpha/WgS3JAbY">Alpha</a></td><td>Active</td><td>2nd</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Combustion_tap-off_cycle/tm8UUHvx">Combustion tap-off</a></td><td>322<a class="footnote-ref" id="fnref:36" href="#fn:36"><sup>36</sup></a></td><td>70,100<a class="footnote-ref" id="fnref:37" href="#fn:37"><sup>37</sup></a></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/Merlin_(rocket_engine)/95qreG8R">Merlin 1D FT</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/SpaceX/2tKHsVdJ">SpaceX</a></td><td>Falcon <a href="/facts/Falcon_9_Block_5/0QqsLwWb">9 B5</a>, <a href="/facts/Falcon_Heavy/vh7so7BW">Heavy</a></td><td>Active</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>311</td><td>914,000<a class="footnote-ref" id="fnref:38" href="#fn:38"><sup>38</sup></a> 845,000 (SL)<a class="footnote-ref" id="fnref:39" href="#fn:39"><sup>39</sup></a></td><td>108.0<a class="footnote-ref" id="fnref:40" href="#fn:40"><sup>40</sup></a></td><td>470</td><td>194.5<a class="footnote-ref" id="fnref:41" href="#fn:41"><sup>41</sup></a></td><td></td></tr><tr><td><a href="/facts/Merlin_(rocket_engine)/95qreG8R">Merlin Vacuum 1D</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/SpaceX/2tKHsVdJ">SpaceX</a></td><td>Falcon <a href="/facts/Falcon_9_Block_5/0QqsLwWb">9 B5</a>, <a href="/facts/Falcon_Heavy/vh7so7BW">Heavy</a></td><td>Active</td><td>2nd</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>348<a class="footnote-ref" id="fnref:42" href="#fn:42"><sup>42</sup></a></td><td>981,000<a class="footnote-ref" id="fnref:43" href="#fn:43"><sup>43</sup></a></td><td></td><td></td><td></td><td>2.36</td></tr><tr><td><a href="/facts/Miranda_(engine)/4ezytxxr">Miranda</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Firefly_Aerospace/4ezytxxr">Firefly Aerospace</a></td><td><a href="/facts/Antares_(rocket)/bjaHqCmA">Antares 300 Series</a>, <a href="/facts/Firefly_Aerospace_MLV/4ezytxxr">MLV</a></td><td>Development</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Combustion_tap-off_cycle/tm8UUHvx">Combustion tap-off</a></td><td>305<a class="footnote-ref" id="fnref:44" href="#fn:44"><sup>44</sup></a></td><td>1,023,000<a class="footnote-ref" id="fnref:45" href="#fn:45"><sup>45</sup></a></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/M10_(rocket_engine)/cgxwmfYu">M10</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Avio/QNaF1FuD">Avio</a></td><td><a href="/facts/Vega-E/AuH9mJ32">Vega-E</a><a class="footnote-ref" id="fnref:46" href="#fn:46"><sup>46</sup></a></td><td>Development</td><td>Upper<a class="footnote-ref" id="fnref:47" href="#fn:47"><sup>47</sup></a></td><td><a href="/facts/Liquid_methane/kBHneYnh">CH4</a> / <a href="/facts/Liquid_oxygen/qnI0KDTb">LOX</a><a class="footnote-ref" id="fnref:48" href="#fn:48"><sup>48</sup></a></td><td><a href="/facts/Expander_cycle/vUu8MYyj">Expander, closed</a></td><td>362<a class="footnote-ref" id="fnref:49" href="#fn:49"><sup>49</sup></a></td><td>98,000<a class="footnote-ref" id="fnref:50" href="#fn:50"><sup>50</sup></a></td><td></td><td></td><td></td><td>3.4<a class="footnote-ref" id="fnref:51" href="#fn:51"><sup>51</sup></a></td></tr><tr><td><a href="/facts/NK-33/vtf276uF">NK-33A (AJ26-62)</a>, 11Д111 / 14Д15</td><td> <a href="/facts/Soviet_Union/m7wWsPto">Soviet Union</a></td><td><a href="/facts/JSC_Kuznetsov/TqLBglHe">JSC Kuznetsov</a></td><td><a href="/facts/Antares_100/bjaHqCmA">Antares 100</a>, <a href="/facts/Soyuz-2-1v/QD04uy3S">Soyuz-2-1v</a></td><td>Retired</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>331<a class="footnote-ref" id="fnref:52" href="#fn:52"><sup>52</sup></a>297 (SL)</td><td>1,680,000 1,510,000 (SL)</td><td>145</td><td>1,222</td><td>136.8</td><td></td></tr><tr><td><a href="/facts/P120_(rocket_stage)/gnapT9wb">P120</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Avio/QNaF1FuD">Avio</a></td><td><a href="/facts/Ariane_6/4JJaWjfb">Ariane 6</a>, <a href="/facts/Vega-C/AuH9mJ32">Vega-C</a></td><td>Active</td><td><a href="/facts/Solid_rocket_booster/Fw48fMUf">Booster</a>, 1st</td><td><a href="/facts/HTPB/vY8fBq7C">HTPB</a></td><td>Solid fuel</td><td>279<a class="footnote-ref" id="fnref:53" href="#fn:53"><sup>53</sup></a></td><td>4,650,000<a class="footnote-ref" id="fnref:54" href="#fn:54"><sup>54</sup></a></td><td>105</td><td>153,000 with fuel<a class="footnote-ref" id="fnref:55" href="#fn:55"><sup>55</sup></a></td><td></td><td></td></tr><tr><td><a href="/facts/Polar_Satellite_Launch_Vehicle/KantsJM7">S139</a></td><td> <a href="/facts/India/1kKHcnxM">India</a></td><td><a href="/facts/Satish_Dhawan_Space_Centre/GkXD3tL3">SDSC</a></td><td><a href="/facts/PSLV/KantsJM7">PSLV</a></td><td>Active</td><td>1st</td><td><a href="/facts/HTPB/vY8fBq7C">HTPB</a></td><td>Solid fuel</td><td>269<a class="footnote-ref" id="fnref:56" href="#fn:56"><sup>56</sup></a></td><td>4,860,000</td><td>58</td><td>160,200 with fuel</td><td></td><td></td></tr><tr><td><a href="/facts/Raptor_(rocket_engine_family)/cRHRm8ge">Raptor</a><a class="footnote-ref" id="fnref:57" href="#fn:57"><sup>57</sup></a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/SpaceX/2tKHsVdJ">SpaceX</a></td><td><a href="/facts/SpaceX_Starship/zkm1P9kA">Starship</a></td><td>Development</td><td>1st, 2nd</td><td><a href="/facts/Liquid_methane/kBHneYnh">CH4</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, full-flow</a></td><td>350<a class="footnote-ref" id="fnref:58" href="#fn:58"><sup>58</sup></a> 327 (SL)<a class="footnote-ref" id="fnref:59" href="#fn:59"><sup>59</sup></a></td><td>2,750,000 (SL)<a class="footnote-ref" id="fnref:60" href="#fn:60"><sup>60</sup></a></td><td>350<a class="footnote-ref" id="fnref:61" href="#fn:61"><sup>61</sup></a></td><td>1,525<a class="footnote-ref" id="fnref:62" href="#fn:62"><sup>62</sup></a></td><td>184<a class="footnote-ref" id="fnref:63" href="#fn:63"><sup>63</sup></a></td><td>3.6<a class="footnote-ref" id="fnref:64" href="#fn:64"><sup>64</sup></a></td></tr><tr><td><a href="/facts/Raptor_(rocket_engine_family)/cRHRm8ge">Raptor Vacuum</a><a class="footnote-ref" id="fnref:65" href="#fn:65"><sup>65</sup></a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/SpaceX/2tKHsVdJ">SpaceX</a></td><td><a href="/facts/SpaceX_Starship/zkm1P9kA">Starship</a></td><td>Development</td><td>2nd</td><td><a href="/facts/Liquid_methane/kBHneYnh">CH4</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, full-flow</a></td><td>380 est.<a class="footnote-ref" id="fnref:66" href="#fn:66"><sup>66</sup></a></td><td>>2,750,000<a class="footnote-ref" id="fnref:67" href="#fn:67"><sup>67</sup></a></td><td>350<a class="footnote-ref" id="fnref:68" href="#fn:68"><sup>68</sup></a></td><td>>1,525<a class="footnote-ref" id="fnref:69" href="#fn:69"><sup>69</sup></a></td><td><184<a class="footnote-ref" id="fnref:70" href="#fn:70"><sup>70</sup></a></td><td>3.6<a class="footnote-ref" id="fnref:71" href="#fn:71"><sup>71</sup></a></td></tr><tr><td><a href="/facts/RD-0124/ILX2UYV3">RD-0124</a>, 14Д23</td><td> <a href="/facts/Russia/jfkCwyxn">Russia</a></td><td><a href="/facts/KBKhA/Ct1L3Mua">KBKhA</a></td><td><a href="/facts/Soyuz-2_(rocket)/U3nHlUKx">Soyuz-2.1b</a>, <a href="/facts/Soyuz-2-1v/QD04uy3S">Soyuz-2-1v</a>, <a href="/facts/Angara_(rocket_family)/fwnzPNpF">Angara</a></td><td>Active</td><td>2nd, 3rd</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>359<a class="footnote-ref" id="fnref:72" href="#fn:72"><sup>72</sup></a></td><td>294,300</td><td>160</td><td>520</td><td>57.7</td><td></td></tr><tr><td><a href="/facts/RD-0146/tLuke2sa">RD-0146</a>D</td><td> <a href="/facts/Russia/jfkCwyxn">Russia</a></td><td><a href="/facts/KBKhA/Ct1L3Mua">KBKhA</a></td><td><a href="/facts/Angara_(rocket_family)/fwnzPNpF">Angara</a></td><td>Development</td><td>Upper</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Expander_cycle/vUu8MYyj">Expander, closed</a></td><td>470<a class="footnote-ref" id="fnref:73" href="#fn:73"><sup>73</sup></a></td><td>68,600</td><td>59</td><td></td><td></td><td></td></tr><tr><td><a href="/facts/RD-107/fmCvNDWw">RD-107</a>A, 14Д22</td><td> <a href="/facts/Russia/jfkCwyxn">Russia</a></td><td><a href="/facts/NPO_Energomash/v936K2w7">NPO Energomash</a></td><td><a href="/facts/Soyuz-FG/IXLFSTfd">Soyuz-FG</a>, <a href="/facts/Soyuz-2_(rocket)/U3nHlUKx">-2</a></td><td>Active</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>320.2<a class="footnote-ref" id="fnref:74" href="#fn:74"><sup>74</sup></a> 263.3 (SL)</td><td>1,019,892 839,449 (SL)</td><td>61.2</td><td>1,090</td><td>78.53</td><td></td></tr><tr><td><a href="/facts/RD-107/fmCvNDWw">RD-108A</a>, 14Д21</td><td> <a href="/facts/Russia/jfkCwyxn">Russia</a></td><td><a href="/facts/NPO_Energomash/v936K2w7">NPO Energomash</a></td><td><a href="/facts/Soyuz-FG/IXLFSTfd">Soyuz-FG</a>, <a href="/facts/Soyuz-2_(rocket)/U3nHlUKx">-2</a></td><td>Active</td><td>2nd</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>320.6<a class="footnote-ref" id="fnref:75" href="#fn:75"><sup>75</sup></a> 257.7 (SL)</td><td>921,825 792,377 (SL)</td><td>55.5</td><td>1,075</td><td>75.16</td><td></td></tr><tr><td><a href="/facts/RD-170_(rocket_engine)/DVefcXeK">RD-171M</a>,<a class="footnote-ref" id="fnref:76" href="#fn:76"><sup>76</sup></a> 11Д520</td><td> <a href="/facts/Russia/jfkCwyxn">Russia</a></td><td><a href="/facts/NPO_Energomash/v936K2w7">NPO Energomash</a></td><td><a href="/facts/Soyuz-5_(rocket)/20uyqXzc">Soyuz-5</a>, <a href="/facts/Zenit-2M/zKxwo7uc">Zenit-2M</a>, <a href="/facts/Zenit-3SL/g2gQntg4">-3SL</a>, <a href="/facts/Zenit-3SLB/ewVWBXsz">-3SLB</a>, <a href="/facts/Zenit-3SLBF/5HmxY0UX">-3SLBF</a></td><td>Active</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>337.2<a class="footnote-ref" id="fnref:77" href="#fn:77"><sup>77</sup></a> 309.5 (SL)</td><td>7,904,160 7,256,921 (SL)</td><td>250</td><td>9,300</td><td>79.57</td><td></td></tr><tr><td><a href="/facts/RD-180/y26BExGy">RD-180</a></td><td> <a href="/facts/Russia/jfkCwyxn">Russia</a></td><td><a href="/facts/NPO_Energomash/v936K2w7">NPO Energomash</a></td><td><a href="/facts/Atlas_V/5SNgegyt">Atlas V</a>, <a href="/facts/Atlas_III/MCNDV2Ba">III</a></td><td>Active</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>338.4<a class="footnote-ref" id="fnref:78" href="#fn:78"><sup>78</sup></a> 311.9 (SL)</td><td>4,152,136 3,826,555 (SL)</td><td>261.7</td><td>5,480</td><td>71.2</td><td>2.72</td></tr><tr><td><a href="/facts/RD-191/uEko9DN7">RD-191</a></td><td> <a href="/facts/Russia/jfkCwyxn">Russia</a></td><td><a href="/facts/NPO_Energomash/v936K2w7">NPO Energomash</a></td><td><a href="/facts/Angara_(rocket_family)/fwnzPNpF">Angara</a></td><td>Active</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>337.5<a class="footnote-ref" id="fnref:79" href="#fn:79"><sup>79</sup></a> 311.2 (SL)</td><td>2,084,894 1,922,103 (SL)</td><td>262.6</td><td>2,200</td><td>89.09</td><td></td></tr><tr><td><a href="/facts/RD-276/W1NvWBe2">RD-276</a>, 14Д14М</td><td> <a href="/facts/Russia/jfkCwyxn">Russia</a></td><td><a href="/facts/NPO_Energomash/v936K2w7">NPO Energomash</a></td><td><a href="/facts/Proton-M/F9I5QHR7">Proton-M</a></td><td>Active</td><td>1st</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>315.8<a class="footnote-ref" id="fnref:80" href="#fn:80"><sup>80</sup></a> 288 (SL)</td><td>1,831,882 1,671,053 (SL)</td><td>168.5</td><td>1,120</td><td>171.2</td><td></td></tr><tr><td><a href="/facts/RD-801/bzLLUJJX">RD-801</a></td><td> <a href="/facts/Ukraine/Qof0uqAj">Ukraine</a></td><td><a href="/facts/Yuzhnoye_Design_Office/euSxfxsR">Pivdenne</a>/<a href="/facts/Yuzhmash/lXU5z0xQ">Pivdenmash</a></td><td><a href="/facts/Mayak_(rocket_family)/dxqdkm1B">Mayak</a></td><td>Development</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>336<a class="footnote-ref" id="fnref:81" href="#fn:81"><sup>81</sup></a> 300.7 (SL)</td><td>1,339,255 1,198,608 (SL)</td><td>180</td><td>1,630</td><td></td><td>2.65</td></tr><tr><td><a href="/facts/RD-809K/lDXdNSyP">RD-809K</a></td><td> <a href="/facts/Ukraine/Qof0uqAj">Ukraine</a></td><td><a href="/facts/Yuzhnoye_Design_Office/euSxfxsR">Pivdenne</a>/<a href="/facts/Yuzhmash/lXU5z0xQ">Pivdenmash</a></td><td><a href="/facts/Mayak_(rocket_family)/dxqdkm1B">Mayak</a></td><td>Development</td><td>Upper</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>352<a class="footnote-ref" id="fnref:82" href="#fn:82"><sup>82</sup></a></td><td>98,067</td><td></td><td>330</td><td></td><td>2.62</td></tr><tr><td><a href="/facts/RD-810/Cb5oKcM6">RD-810</a></td><td> <a href="/facts/Ukraine/Qof0uqAj">Ukraine</a></td><td><a href="/facts/Yuzhnoye_Design_Office/euSxfxsR">Pivdenne</a>/<a href="/facts/Yuzhmash/lXU5z0xQ">Pivdenmash</a></td><td><a href="/facts/Mayak_(rocket_family)/dxqdkm1B">Mayak</a>, <a href="/facts/Zenit_(rocket_family)/fkovnBhD">Zenit</a></td><td>Development</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>335.5<a class="footnote-ref" id="fnref:83" href="#fn:83"><sup>83</sup></a> 299 (SL)</td><td>2,104,890 1,876,149 (SL)</td><td>180</td><td>2,800</td><td></td><td>2.65</td></tr><tr><td><a href="/facts/RD-861K/xCG5GUth">RD-861K</a></td><td> <a href="/facts/Ukraine/Qof0uqAj">Ukraine</a></td><td><a href="/facts/Yuzhnoye_Design_Office/euSxfxsR">Pivdenne</a>/<a href="/facts/Yuzhmash/lXU5z0xQ">Pivdenmash</a></td><td><a href="/facts/Cyclone-4M/pWMNpnHD">Cyclone-4M</a></td><td>Development</td><td>2nd</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>330<a class="footnote-ref" id="fnref:84" href="#fn:84"><sup>84</sup></a></td><td>77,629</td><td></td><td>207</td><td></td><td>2.41</td></tr><tr><td><a href="/facts/RD-120/5T8GX3en">RD-870</a></td><td> <a href="/facts/Ukraine/Qof0uqAj">Ukraine</a></td><td><a href="/facts/Yuzhnoye_Design_Office/euSxfxsR">Pivdenne</a>/<a href="/facts/Yuzhmash/lXU5z0xQ">Pivdenmash</a></td><td><a href="/facts/Cyclone-4M/pWMNpnHD">Cyclone-4M</a></td><td>Development</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>340<a class="footnote-ref" id="fnref:85" href="#fn:85"><sup>85</sup></a> 301.5 (SL)</td><td>876,715 777,667 (SL)</td><td></td><td>1,353</td><td></td><td>2.684</td></tr><tr><td><a href="/facts/Firefly_Alpha/WgS3JAbY">Reaver 1</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Firefly_Aerospace/4ezytxxr">Firefly Aerospace</a></td><td><a href="/facts/Firefly_Alpha/WgS3JAbY">Alpha</a></td><td>Active</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Combustion_tap-off_cycle/tm8UUHvx">Combustion tap-off</a></td><td>265 (SL)<p>295.6<a class="footnote-ref" id="fnref:86" href="#fn:86"><sup>86</sup></a> (Vac)</p></td><td>184,000<a class="footnote-ref" id="fnref:87" href="#fn:87"><sup>87</sup></a></td><td>75</td><td></td><td></td><td></td></tr><tr><td><a href="/facts/RL10/xNrFPF99">RL-10A-4-2</a><a class="footnote-ref" id="fnref:88" href="#fn:88"><sup>88</sup></a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Aerojet_Rocketdyne/NsvAC75a">Aerojet Rocketdyne</a></td><td><a href="/facts/Atlas_III/MCNDV2Ba">Atlas IIIB</a>, <a href="/facts/Atlas_V/5SNgegyt">V</a></td><td>Retired</td><td>Upper</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Expander_cycle/vUu8MYyj">Expander, closed</a></td><td>451</td><td>99,195</td><td>42</td><td>168</td><td>60.27</td><td>5.5</td></tr><tr><td><a href="/facts/RL10/xNrFPF99">RL-10B-2</a><a class="footnote-ref" id="fnref:89" href="#fn:89"><sup>89</sup></a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Aerojet_Rocketdyne/NsvAC75a">Aerojet Rocketdyne</a></td><td><a href="/facts/Delta_III/KvtMal7W">Delta III</a>, <a href="/facts/Delta_IV/QWun0yHh">IV</a>, <a href="/facts/Space_Launch_System/DbGCgH1W">SLS</a></td><td>Active</td><td>Upper</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Expander_cycle/vUu8MYyj">Expander, closed</a></td><td>465.5</td><td>110,093</td><td>44</td><td>301</td><td>37.27</td><td>5.88</td></tr><tr><td><a href="/facts/RL10/xNrFPF99">RL-10C-1</a><a class="footnote-ref" id="fnref:90" href="#fn:90"><sup>90</sup></a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Aerojet_Rocketdyne/NsvAC75a">Aerojet Rocketdyne</a></td><td><a href="/facts/Delta_III/KvtMal7W">Delta III</a>, <a href="/facts/Delta_IV/QWun0yHh">IV</a>, <a href="/facts/Space_Launch_System/DbGCgH1W">SLS</a>, <a href="/facts/Vulcan_(rocket)/ItQaJHkk">Vulcan</a></td><td>Active</td><td>Upper</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Expander_cycle/vUu8MYyj">Expander, closed</a></td><td>450</td><td>101,820</td><td>44</td><td>191</td><td>54.5</td><td>5.5</td></tr><tr><td><a href="/facts/RS-25/vGkj6Vxm">RS-25</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Rocketdyne/3sGkwgd8">Rocketdyne</a></td><td><a href="/facts/Space_Shuttle/7BoyetEv">Space Shuttle</a>, <a href="/facts/Space_Launch_System/DbGCgH1W">SLS</a></td><td>Active</td><td>1st</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, fuel-rich</a></td><td>452.3 366 (SL)</td><td>2,279,000 1,860,000 (SL)<a class="footnote-ref" id="fnref:91" href="#fn:91"><sup>91</sup></a></td><td>206.4</td><td>3,526</td><td>53.79</td><td></td></tr><tr><td><a href="/facts/Rutherford_(rocket_engine)/QIjcRLkV">Rutherford</a></td><td> <a href="/facts/New_Zealand/4mpSlJdg">New Zealand</a> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Rocket_Lab/o5Wlgg6P">Rocket Lab</a></td><td><a href="/facts/Electron_(rocket)/wmMhl3aA">Electron</a></td><td>Active</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Electric-pump-fed_engine/AjVGSvJC">Electric pump</a></td><td>311</td><td>24,900 25,000 (SL)</td><td>55</td><td>35<a class="footnote-ref" id="fnref:92" href="#fn:92"><sup>92</sup></a></td><td>72.8 (SL)</td><td></td></tr><tr><td><a href="/facts/Rutherford_(rocket_engine)/QIjcRLkV">Rutherford Vacuum</a></td><td> <a href="/facts/New_Zealand/4mpSlJdg">New Zealand</a> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Rocket_Lab/o5Wlgg6P">Rocket Lab</a></td><td><a href="/facts/Electron_(rocket)/wmMhl3aA">Electron</a></td><td>Active</td><td>2nd</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Electric-pump-fed_engine/AjVGSvJC">Electric pump</a></td><td>343</td><td>25,800<a class="footnote-ref" id="fnref:93" href="#fn:93"><sup>93</sup></a></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/GSLV_Mk_III/BHqVWNrW">S200</a></td><td> <a href="/facts/India/1kKHcnxM">India</a></td><td><a href="/facts/Satish_Dhawan_Space_Centre/GkXD3tL3">SDSC</a></td><td><a href="/facts/GSLV_Mk_III/BHqVWNrW">GSLV Mk III</a></td><td>Active</td><td>Booster</td><td><a href="/facts/HTPB/vY8fBq7C">HTPB</a></td><td>Solid fuel</td><td>274.5<a class="footnote-ref" id="fnref:94" href="#fn:94"><sup>94</sup></a></td><td>5,150,000<a class="footnote-ref" id="fnref:95" href="#fn:95"><sup>95</sup></a><a class="footnote-ref" id="fnref:96" href="#fn:96"><sup>96</sup></a><a class="footnote-ref" id="fnref:97" href="#fn:97"><sup>97</sup></a></td><td></td><td>207,000with fuel<a class="footnote-ref" id="fnref:98" href="#fn:98"><sup>98</sup></a></td><td></td><td></td></tr><tr><td><a href="/facts/SCE-200/Cc9HK8xA">SCE-200</a></td><td> <a href="/facts/India/1kKHcnxM">India</a></td><td><a href="/facts/Liquid_Propulsion_Systems_Centre/WJsn3f3P">LPSC</a></td><td><a href="/facts/GSLV_Mk_III/BHqVWNrW">GSLV Mk III</a>, <a href="/facts/Unified_Launch_Vehicle/jSAGVXkP">ULV</a></td><td>Development</td><td>Upper, main</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>335 299 (SL)</td><td>2,030,000 1,820,000 (SL)</td><td>180</td><td>2,700</td><td></td><td></td></tr><tr><td><a href="/facts/Space_Launch_System/DbGCgH1W">SLS</a> Solid Rocket Booster<a class="footnote-ref" id="fnref:99" href="#fn:99"><sup>99</sup></a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Orbital_ATK/zwkJhWEe">Orbital ATK</a></td><td><a href="/facts/Space_Launch_System/DbGCgH1W">SLS</a></td><td>Active</td><td><a href="/facts/Solid_Rocket_Booster/Fw48fMUf">Booster</a></td><td><a href="/facts/Polybutadiene_acrylonitrile/WcedP8jQ">PBAN</a></td><td>Solid fuel</td><td>267</td><td>16,000,000</td><td></td><td>730,000 with fuel</td><td></td><td></td></tr><tr><td><a href="/facts/Polar_Satellite_Launch_Vehicle/KantsJM7">SLV-1</a></td><td> <a href="/facts/India/1kKHcnxM">India</a></td><td><a href="/facts/Godrej_%26_Boyce/UdsVdAal">Godrej & Boyce</a></td><td><a href="/facts/PSLV/KantsJM7">PSLV</a></td><td>Active</td><td>Booster</td><td><a href="/facts/HTPB/vY8fBq7C">HTPB</a></td><td>Solid fuel</td><td>253<a class="footnote-ref" id="fnref:100" href="#fn:100"><sup>100</sup></a></td><td>502,600</td><td>43</td><td>10,800 with fuel</td><td></td><td></td></tr><tr><td><a href="/facts/SRB-A/EJ4fufGb">SRB-A</a>3</td><td> <a href="/facts/Japan/U5mz0SRT">Japan</a></td><td><a href="/facts/IHI_Corporation/B6nNTy3g">IHI Aerospace</a>, <a href="/facts/Japan_Aerospace_Exploration_Agency/ofUpflgf">JAXA</a></td><td><a href="/facts/H-IIA/W9Q48DHS">H-IIA</a>, <a href="/facts/H-IIB/k5CMQBXm">H-IIB</a>, <a href="/facts/Epsilon_(rocket)/yYqSd7J0">Epsilon</a></td><td>Active</td><td><a href="/facts/Solid_rocket_booster/Fw48fMUf">Booster</a></td><td><a href="/facts/HTPB/vY8fBq7C">HTPB</a></td><td>Solid fuel</td><td>283.6<a class="footnote-ref" id="fnref:101" href="#fn:101"><sup>101</sup></a></td><td>2,305,000 2,150,000 (SL)</td><td>111</td><td>76,600 with fuel</td><td></td><td></td></tr><tr><td><a href="/facts/TEPREL/b83SQYAv">TEPREL</a>-B</td><td> <a href="/facts/Spain/bIyrB8EY">Spain</a></td><td><a href="/facts/PLD_Space/VgMxpB7F">PLD Space</a></td><td><a href="/facts/Miura_1/6eB0xoTv">Miura 1</a></td><td>Active</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Pressure-fed_engine/doEYm9wH">Pressure-fed</a></td><td></td><td>30,200 (SL)</td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/TEPREL/b83SQYAv">TEPREL</a>-C</td><td> <a href="/facts/Spain/bIyrB8EY">Spain</a></td><td><a href="/facts/PLD_Space/VgMxpB7F">PLD Space</a></td><td><a href="/facts/Miura_5/AMDUE5DS">Miura 5</a></td><td>Development</td><td>1st, 2nd</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas-generator</a></td><td></td><td>190,000 (SL)</td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/TQ-12/fzjGYN14">TQ-12</a><a class="footnote-ref" id="fnref:102" href="#fn:102"><sup>102</sup></a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Landspace/7b2NsldB">Landspace</a></td><td>ZQ-2</td><td>Active</td><td>1st</td><td><a href="/facts/Liquid_methane/kBHneYnh">CH4</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>284</td><td>667,000 (SL)</td><td>101</td><td></td><td></td><td></td></tr><tr><td><a href="/facts/Vikas_(rocket_engine)/lSKcTgRE">Vikas (rocket engine)</a></td><td> <a href="/facts/India/1kKHcnxM">India</a></td><td><a href="/facts/Liquid_Propulsion_Systems_Centre/WJsn3f3P">LPSC</a></td><td><a href="/facts/PSLV/KantsJM7">PSLV</a>, <a href="/facts/GSLV/PBneb7NS">GSLV</a>, <a href="/facts/GSLV_Mk_III/BHqVWNrW">GSLV Mk III</a></td><td>Active</td><td>2nd, main, booster</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>262</td><td>680,500–804,500 600,500–756,500 (SL)</td><td>53.0–58.5</td><td></td><td></td><td></td></tr><tr><td><a href="/facts/Vinci_(rocket_engine)/619Pf33Q">Vinci</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Snecma/HERWYfK9">Snecma</a></td><td><a href="/facts/Ariane_6/4JJaWjfb">Ariane 6</a></td><td>Active</td><td>Upper</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Expander_cycle/vUu8MYyj">Expander, closed</a><a class="footnote-ref" id="fnref:103" href="#fn:103"><sup>103</sup></a></td><td>457<a class="footnote-ref" id="fnref:104" href="#fn:104"><sup>104</sup></a></td><td>180,000</td><td>60</td><td>280</td><td>65.60</td><td>6.1</td></tr><tr><td><a href="/facts/Vulcain_(rocket_engine)/pe01NawI">Vulcain 2.1</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Snecma/HERWYfK9">Snecma</a></td><td><a href="/facts/Ariane_6/4JJaWjfb">Ariane 6</a></td><td>Active</td><td>1st</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td></td><td>1,324,000</td><td>120.8</td><td>2,000</td><td>66.2</td><td></td></tr><tr><td><a href="/facts/YF-20/50TxDCDI">YF-21B</a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Academy_of_Aerospace_Liquid_Propulsion_Technology/QBBXh7gx">AALPT</a></td><td><a href="/facts/Long_March_2E/qLj7Kx0D">Long March 2E</a>, <a href="/facts/Long_March_2F/JSztWT6A">2F</a>, <a href="/facts/Long_March_3/mlndRuEl">3</a></td><td>Active</td><td>Booster, 1st</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>260.66 (SL)<a class="footnote-ref" id="fnref:105" href="#fn:105"><sup>105</sup></a></td><td>740,400 (SL)<a class="footnote-ref" id="fnref:106" href="#fn:106"><sup>106</sup></a></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/YF-20/50TxDCDI">YF-21C</a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Academy_of_Aerospace_Liquid_Propulsion_Technology/QBBXh7gx">AALPT</a></td><td><a href="/facts/Long_March_2C/VBSyRIx6">Long March 2C</a>, <a href="/facts/Long_March_2D/popxUWJ3">2D</a>, <a href="/facts/Long_March_3A/26LcfN0h">3A</a>, <a href="/facts/Long_March_3B/7HAsDyeL">3B</a>, <a href="/facts/Long_March_3C/mFRsmux1">3C</a>, <a href="/facts/Long_March_4B/CY23M8Ra">4B</a>, <a href="/facts/Long_March_4C/NPxa0GpR">4C</a></td><td>Active</td><td>1st</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>260.7 (SL)<a class="footnote-ref" id="fnref:107" href="#fn:107"><sup>107</sup></a></td><td>740,400 (SL)<a class="footnote-ref" id="fnref:108" href="#fn:108"><sup>108</sup></a></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/YF-20/50TxDCDI">YF-25</a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Academy_of_Aerospace_Liquid_Propulsion_Technology/QBBXh7gx">AALPT</a></td><td><a href="/facts/Long_March_3B/7HAsDyeL">Long March 3B</a>, <a href="/facts/Long_March_3C/mFRsmux1">3C</a></td><td>Active</td><td>Booster</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>260.66 (SL)<a class="footnote-ref" id="fnref:109" href="#fn:109"><sup>109</sup></a></td><td>740,400 (SL)<a class="footnote-ref" id="fnref:110" href="#fn:110"><sup>110</sup></a></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/YF-20/50TxDCDI">YF-22B</a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Academy_of_Aerospace_Liquid_Propulsion_Technology/QBBXh7gx">AALPT</a></td><td><a href="/facts/Long_March_2E/qLj7Kx0D">Long March 2E</a>, <a href="/facts/Long_March_2F/JSztWT6A">2F</a></td><td>Active</td><td>2nd</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>298.0<a class="footnote-ref" id="fnref:111" href="#fn:111"><sup>111</sup></a></td><td>738,400</td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/YF-20/50TxDCDI">YF-22C</a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Academy_of_Aerospace_Liquid_Propulsion_Technology/QBBXh7gx">AALPT</a></td><td><a href="/facts/Long_March_2C/VBSyRIx6">Long March 2C</a>, <a href="/facts/Long_March_2D/popxUWJ3">2D</a>, <a href="/facts/Long_March_4B/CY23M8Ra">4B</a>, <a href="/facts/Long_March_4C/NPxa0GpR">4C</a></td><td>Active</td><td>2nd</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>298.0<a class="footnote-ref" id="fnref:112" href="#fn:112"><sup>112</sup></a></td><td>742,040</td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/YF-20/50TxDCDI">YF-22D</a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Academy_of_Aerospace_Liquid_Propulsion_Technology/QBBXh7gx">AALPT</a></td><td><a href="/facts/Long_March_3/mlndRuEl">Long March 3</a></td><td>Active</td><td>2nd</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>298.0<a class="footnote-ref" id="fnref:113" href="#fn:113"><sup>113</sup></a></td><td>741,400</td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/YF-20/50TxDCDI">YF-22E</a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Academy_of_Aerospace_Liquid_Propulsion_Technology/QBBXh7gx">AALPT</a></td><td><a href="/facts/Long_March_3A/26LcfN0h">Long March 3A</a>, <a href="/facts/Long_March_3B/7HAsDyeL">3B</a>, <a href="/facts/Long_March_3C/mFRsmux1">3C</a></td><td>Active</td><td>2nd</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>298.0<a class="footnote-ref" id="fnref:114" href="#fn:114"><sup>114</sup></a></td><td>741,400</td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/YF-40/MYDI0eEp">YF-40</a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Academy_of_Aerospace_Liquid_Propulsion_Technology/QBBXh7gx">AALPT</a></td><td><a href="/facts/Long_March_4B/CY23M8Ra">Long March 4B</a>, <a href="/facts/Long_March_4C/NPxa0GpR">4C</a></td><td>Active</td><td>3rd</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>303</td><td>103,000</td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/Yuanzheng-1/pyk19Vgn">YF-50D</a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Academy_of_Aerospace_Liquid_Propulsion_Technology/QBBXh7gx">AALPT</a></td><td><a href="/facts/Long_March_3B/7HAsDyeL">Long March 3B</a>, <a href="/facts/Long_March_3C/mFRsmux1">3C</a>, <a href="/facts/Long_March_5/rzP8BRBA">5</a>, <a href="/facts/Long_March_7/GMLr5GN9">7</a></td><td>Active</td><td>Upper</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td><a href="/facts/Pressure-fed_engine/doEYm9wH">Pressure-fed</a></td><td>315.5</td><td>6,500</td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/YF-73/TyE0UFLI">YF-73</a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Academy_of_Aerospace_Liquid_Propulsion_Technology/QBBXh7gx">AALPT</a></td><td><a href="/facts/Long_March_3/mlndRuEl">Long March 3</a></td><td>Active</td><td>3rd</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>420.0</td><td>44,150</td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/YF-75/5qTGIWoG">YF-75</a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Academy_of_Aerospace_Liquid_Propulsion_Technology/QBBXh7gx">AALPT</a></td><td><a href="/facts/Long_March_3A/26LcfN0h">Long March 3A</a>, <a href="/facts/Long_March_3B/7HAsDyeL">3B</a>, <a href="/facts/Long_March_3C/mFRsmux1">3C</a></td><td>Active</td><td>3rd</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>438.0<a class="footnote-ref" id="fnref:115" href="#fn:115"><sup>115</sup></a></td><td>78,450</td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/YF-75D/C9WkYyhI">YF-75D</a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Academy_of_Aerospace_Liquid_Propulsion_Technology/QBBXh7gx">AALPT</a></td><td><a href="/facts/Long_March_5/rzP8BRBA">Long March 5</a></td><td>Active</td><td>2nd</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Expander_cycle/vUu8MYyj">Expander, closed</a></td><td>442.6</td><td>88,360</td><td>41</td><td>265</td><td>34</td><td>6.0</td></tr><tr><td><a href="/facts/YF-77/T5n0YJf5">YF-77</a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Academy_of_Aerospace_Liquid_Propulsion_Technology/QBBXh7gx">AALPT</a></td><td><a href="/facts/Long_March_5/rzP8BRBA">Long March 5</a></td><td>Active</td><td>1st</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>428 316.7 (SL)</td><td>700,000 518,000 (SL)</td><td>102</td><td>1,054</td><td>50</td><td>5.5</td></tr><tr><td><a href="/facts/YF-79/kSlRVDSJ">YF-79</a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Academy_of_Aerospace_Liquid_Propulsion_Technology/QBBXh7gx">AALPT</a></td><td><a href="/facts/Long_March_9/fo3YroxX">Long March 9</a></td><td>Development</td><td>3rd</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Expander_cycle/vUu8MYyj">Expander, closed</a></td><td>455.2</td><td>250,000</td><td>70</td><td></td><td></td><td>6.0</td></tr><tr><td><a href="/facts/YF-90/s4AFuPWB">YF-90</a><a class="footnote-ref" id="fnref:116" href="#fn:116"><sup>116</sup></a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Academy_of_Aerospace_Liquid_Propulsion_Technology/QBBXh7gx">AALPT</a></td><td><a href="/facts/Long_March_9/fo3YroxX">Long March 9</a></td><td>Development</td><td>2nd</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, fuel-rich</a></td><td>453</td><td>2,200,000</td><td>183</td><td>4,800</td><td>46.74</td><td>6.0</td></tr><tr><td><a href="/facts/YF-100/rdLEbtBM">YF-100</a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Academy_of_Aerospace_Liquid_Propulsion_Technology/QBBXh7gx">AALPT</a></td><td><a href="/facts/Long_March_7/GMLr5GN9">Long March 7</a>, <a href="/facts/Long_March_5/rzP8BRBA">5</a></td><td>Active</td><td>1st</td><td>RP-1/ <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>335.1 300(SL)</td><td>1,339,480 1,199,190 (SL)</td><td>180</td><td>1,912</td><td>64</td><td>2.6</td></tr><tr><td><a href="/facts/YF-115/jG8tjF0Y">YF-115</a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Academy_of_Aerospace_Liquid_Propulsion_Technology/QBBXh7gx">AALPT</a></td><td><a href="/facts/Long_March_6/r6fJMHoo">Long March 6</a>, <a href="/facts/Long_March_7/GMLr5GN9">7</a></td><td>Active</td><td>2nd</td><td>RP-1/ <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>341.5</td><td>182,400</td><td>120</td><td></td><td></td><td>2.5</td></tr><tr><td><a href="/facts/YF-130/bUXVPPYe">YF-130</a></td><td> <a href="/facts/China/lTjIXY5p">China</a></td><td><a href="/facts/Academy_of_Aerospace_Liquid_Propulsion_Technology/QBBXh7gx">AALPT</a></td><td><a href="/facts/Long_March_9/fo3YroxX">Long March 9</a></td><td>Development</td><td>1st</td><td>RP-1/ <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>308 (SL)</td><td>~5,000,000 (SL)</td><td>220</td><td>~6,500</td><td>78</td><td>2.62</td></tr><tr><td><a href="/facts/Zefiro_(rocket_stage)/veRhumXk">Zefiro 9A</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Avio/QNaF1FuD">Avio</a></td><td><a href="/facts/Vega-C/AuH9mJ32">Vega-C</a></td><td>Active</td><td>3rd</td><td><a href="/facts/HTPB/vY8fBq7C">HTPB</a></td><td>Solid fuel</td><td>295.2<a class="footnote-ref" id="fnref:117" href="#fn:117"><sup>117</sup></a></td><td>314,000<a class="footnote-ref" id="fnref:118" href="#fn:118"><sup>118</sup></a></td><td>75</td><td>11,400 with fuel</td><td></td><td></td></tr><tr><td><a href="/facts/Zefiro_(rocket_stage)/veRhumXk">Zefiro 40</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Avio/QNaF1FuD">Avio</a></td><td><a href="/facts/Vega-C/AuH9mJ32">Vega-C</a></td><td>Active</td><td>3rd</td><td><a href="/facts/HTPB/vY8fBq7C">HTPB</a></td><td>Solid fuel</td><td>293.5<a class="footnote-ref" id="fnref:119" href="#fn:119"><sup>119</sup></a></td><td>1,304,000<a class="footnote-ref" id="fnref:120" href="#fn:120"><sup>120</sup></a></td><td>115</td><td>39,206 with fuel</td><td></td><td></td></tr><tr><td>Zenith</td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Stoke_Space/VGeLTl07">Stoke</a></td><td><a href="/facts/Stoke_Space_Nova/I6qdTuDW">Nova</a></td><td>Development</td><td>1st</td><td><a href="/facts/Liquid_methane/kBHneYnh">CH4</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, full-flow</a></td><td>~345 <a class="footnote-ref" id="fnref:121" href="#fn:121"><sup>121</sup></a></td><td>>444,822<a class="footnote-ref" id="fnref:122" href="#fn:122"><sup>122</sup></a></td><td></td><td></td><td></td><td></td></tr></tbody></table> <h2 id="retired-and-canceled-rocket-engines">Retired and canceled rocket engines</h2> <table><tbody><tr><th>Engine</th><th>Origin</th><th>Designer</th><th><a href="/facts/Spacecraft/YQqQaUw0">Vehicle</a></th><th>Status</th><th><a href="/facts/Multistage_rocket/WNrmgztj">Use</a></th><th><a href="/facts/Rocket_propellant/IyFhQEA2">Propellant</a></th><th>Power cycle</th><th><a href="/facts/Specific_impulse/JKGgw2I4">Specific impulse</a> (s)<a class="footnote-ref" id="fnref:123" href="#fn:123"><sup>123</sup></a></th><th><a href="/facts/Thrust/EM04CqV7">Thrust</a> (N)<a class="footnote-ref" id="fnref:124" href="#fn:124"><sup>124</sup></a></th><th><a href="/facts/Combustion_chamber/FNqjDrN8">Chamber</a> pressure (bar)</th><th>Mass (kg)</th><th><a href="/facts/Thrust-to-weight_ratio/lgAXJLRJ">Thrust:weight ratio</a><a class="footnote-ref" id="fnref:125" href="#fn:125"><sup>125</sup></a></th><th>Oxidiser:fuel ratio</th></tr><tr><td><a href="/facts/Relativity_Space/7jjIhkvW">Aeon 1</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Relativity_Space/7jjIhkvW">Relativity Space</a></td><td><a href="/facts/Terran_1/7jjIhkvW">Terran 1</a></td><td>Retired</td><td>1st</td><td><a href="/facts/Liquid_methane/kBHneYnh">CH4</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>310</td><td>86,740 (SL)<a class="footnote-ref" id="fnref:126" href="#fn:126"><sup>126</sup></a></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/Relativity_Space/7jjIhkvW">Aeon 1 Vacuum</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Relativity_Space/7jjIhkvW">Relativity Space</a></td><td><a href="/facts/Terran_1/7jjIhkvW">Terran 1</a></td><td>Retired</td><td>2nd</td><td><a href="/facts/Liquid_methane/kBHneYnh">CH4</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>360</td><td>100,085 (SL)<a class="footnote-ref" id="fnref:127" href="#fn:127"><sup>127</sup></a></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/Aestus/LnjxFIE6">Aestus</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Airbus_Defence_and_Space/nwu5qPRe">Airbus Defence and Space</a></td><td><a href="/facts/Ariane_5/H78wlLG4">Ariane 5</a> G, G+, ES</td><td>Retired</td><td>Upper</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/Monomethylhydrazine/2DPIl19F">MMH</a></td><td><a href="/facts/Pressure-fed_engine/doEYm9wH">Pressure-fed</a></td><td>324<a class="footnote-ref" id="fnref:128" href="#fn:128"><sup>128</sup></a></td><td>30,000</td><td>11</td><td>111</td><td>27.6</td><td>1.9</td></tr><tr><td><a href="/facts/Aestus_II/LnjxFIE6">Aestus II</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Airbus_Defence_and_Space/nwu5qPRe">Airbus Defence and Space</a></td><td><a href="/facts/Ariane_5/H78wlLG4">Ariane 5</a></td><td>Retired</td><td>Upper</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/Monomethylhydrazine/2DPIl19F">MMH</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>340<a class="footnote-ref" id="fnref:129" href="#fn:129"><sup>129</sup></a></td><td>55,400</td><td>60</td><td>138</td><td>41.0</td><td>1.9</td></tr><tr><td>Aether</td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Astra_Space/LdThMcvD">Astra Space</a></td><td><a href="/facts/List_of_Astra_rocket_launches/ktWXwS16">Rocket 3.3</a></td><td>Retired</td><td>2nd</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a>/<a href="/facts/Liquid_oxygen/qnI0KDTb">LOX</a><a class="footnote-ref" id="fnref:130" href="#fn:130"><sup>130</sup></a></td><td><a href="/facts/Pressure-fed_engine/doEYm9wH">Pressure-fed</a></td><td></td><td>3,300<a class="footnote-ref" id="fnref:131" href="#fn:131"><sup>131</sup></a></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/AJ-60A/kA5Npcwl">AJ-60A</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Aerojet/hlrJsgVF">Aerojet</a></td><td><a href="/facts/Atlas_V/5SNgegyt">Atlas V</a></td><td>Retired</td><td><a href="/facts/Solid_rocket_booster/Fw48fMUf">Booster</a></td><td><a href="/facts/HTPB/vY8fBq7C">HTPB</a></td><td>Solid fuel</td><td>275</td><td>1,270,000<a class="footnote-ref" id="fnref:132" href="#fn:132"><sup>132</sup></a></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/AJ-260/xMVw4Jz2">AJ-260</a>-2</td><td><a href="/facts/United_States/P0sCdLe5"></a> USA</td><td><a href="/facts/Aerojet/hlrJsgVF">Aerojet</a></td><td><a href="/facts/S-I/lnTsGyFM">S-I stage</a> replacement (proposed)</td><td>Tested, Cancelled</td><td>1st</td><td><a href="/facts/Polybutadiene_acrylonitrile/WcedP8jQ">PBAN</a></td><td>Solid fuel</td><td>263</td><td>26,183,755</td><td></td><td>831,345 with fuel</td><td></td><td></td></tr><tr><td><a href="/facts/AR1_(rocket_engine)/3g9pxAP4">AR1</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Aerojet_Rocketdyne/NsvAC75a">Aerojet Rocketdyne</a></td><td></td><td>Cancelled</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td></td><td>2,200,000 (SL)<a class="footnote-ref" id="fnref:133" href="#fn:133"><sup>133</sup></a></td><td></td><td></td><td></td><td>2.72</td></tr><tr><td>Delphin</td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Astra_Space/LdThMcvD">Astra Space</a></td><td><a href="/facts/List_of_Astra_rocket_launches/ktWXwS16">Rocket 3.3</a></td><td>Retired</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a>/<a href="/facts/Liquid_oxygen/qnI0KDTb">LOX</a><a class="footnote-ref" id="fnref:134" href="#fn:134"><sup>134</sup></a></td><td><a href="/facts/Electric-pump-fed_engine/AjVGSvJC">Electric pump</a></td><td></td><td>29,000<a class="footnote-ref" id="fnref:135" href="#fn:135"><sup>135</sup></a></td><td>31</td><td></td><td></td><td></td></tr><tr><td><a href="/facts/F-1_(rocket_engine)/PueQckty">F-1</a><a class="footnote-ref" id="fnref:136" href="#fn:136"><sup>136</sup></a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Rocketdyne/3sGkwgd8">Rocketdyne</a></td><td><a href="/facts/Saturn_V/WhpUEFJM">Saturn V</a></td><td>Retired</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>304 263 (SL)</td><td>7,770,000 6,770,000 (SL)</td><td>70</td><td>8,391</td><td>82.27</td><td>2.27</td></tr><tr><td><a href="/facts/F-1_(rocket_engine)/PueQckty">F-1A</a><a class="footnote-ref" id="fnref:137" href="#fn:137"><sup>137</sup></a><a class="footnote-ref" id="fnref:138" href="#fn:138"><sup>138</sup></a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Rocketdyne/3sGkwgd8">Rocketdyne</a></td><td><a href="/facts/Saturn_MLV/cCaPHsqI">Saturn MLV</a></td><td>Cancelled</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>303 270 (SL)</td><td>8,989,000 8,007,000 (SL)</td><td>80</td><td>9,015</td><td>90.6</td><td>2.27</td></tr><tr><td><a href="/facts/Bristol_Siddeley_Gamma/VR7k7mGj">Gamma 2</a></td><td> <a href="/facts/United_Kingdom/kuPAILt2">United Kingdom</a></td><td><a href="/facts/Bristol_Siddeley/TznL6msC">Bristol Siddeley</a></td><td><a href="/facts/Black_Arrow/SCcGv4qY">Black Arrow</a></td><td>Retired</td><td>2nd</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/Hydrogen_peroxide/vju6HBIc">H2O2</a></td><td>Staged, decomposition and combustion</td><td>265<a class="footnote-ref" id="fnref:139" href="#fn:139"><sup>139</sup></a></td><td>68,200</td><td></td><td>173</td><td>40.22</td><td>8</td></tr><tr><td><a href="/facts/Bristol_Siddeley_Gamma/VR7k7mGj">Gamma 8</a></td><td> <a href="/facts/United_Kingdom/kuPAILt2">United Kingdom</a></td><td><a href="/facts/Bristol_Siddeley/TznL6msC">Bristol Siddeley</a></td><td><a href="/facts/Black_Arrow/SCcGv4qY">Black Arrow</a></td><td>Retired</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/Hydrogen_peroxide/vju6HBIc">H2O2</a></td><td>Staged, decomposition and combustion</td><td>265<a class="footnote-ref" id="fnref:140" href="#fn:140"><sup>140</sup></a></td><td>234,800</td><td>47.40</td><td>342</td><td>70.01</td><td>8</td></tr><tr><td><a href="/facts/HM-7B/LhcJ3f3y">HM-7A</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Snecma/HERWYfK9">Snecma</a></td><td><a href="/facts/Ariane_1/eNnQsLD8">Ariane 1</a></td><td>Retired</td><td>3rd</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>443<a class="footnote-ref" id="fnref:141" href="#fn:141"><sup>141</sup></a> 308 (SL)</td><td>61,700</td><td>30</td><td>149</td><td>42.2</td><td>5</td></tr><tr><td><a href="/facts/HM-7B/LhcJ3f3y">HM-7B</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Snecma/HERWYfK9">Snecma</a></td><td><a href="/facts/Ariane_2/WUhvIVtC">Ariane 2</a>, <a href="/facts/Ariane_3/RhNhEfpx">3</a>, <a href="/facts/Ariane_4/hSG5Jl7Q">4</a>, <a href="/facts/Ariane_5/H78wlLG4">5 ECA</a></td><td>Retired</td><td>Upper</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>446<a class="footnote-ref" id="fnref:142" href="#fn:142"><sup>142</sup></a> 310 (SL)<a class="footnote-ref" id="fnref:143" href="#fn:143"><sup>143</sup></a></td><td>64,800<a class="footnote-ref" id="fnref:144" href="#fn:144"><sup>144</sup></a> 43,600 (SL)<a class="footnote-ref" id="fnref:145" href="#fn:145"><sup>145</sup></a></td><td>37<a class="footnote-ref" id="fnref:146" href="#fn:146"><sup>146</sup></a></td><td>165<a class="footnote-ref" id="fnref:147" href="#fn:147"><sup>147</sup></a></td><td>43.25</td><td>5</td></tr><tr><td><a href="/facts/J-2_(rocket_engine)/oNtBBUD7">J-2</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Rocketdyne/3sGkwgd8">Rocketdyne</a></td><td><a href="/facts/Saturn_V/WhpUEFJM">Saturn V</a>, <a href="/facts/Saturn_IB/gpHk3gcW">IB</a></td><td>Retired</td><td>2nd, 3rd</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>421<a class="footnote-ref" id="fnref:148" href="#fn:148"><sup>148</sup></a> 200 (SL)</td><td>1,033,100 486,200 (SL)</td><td>52.6</td><td>1,438</td><td>73.18</td><td>5.5</td></tr><tr><td><a href="/facts/J-2X/JoWwCTkg">J-2X</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Pratt_%26_Whitney_Rocketdyne/HdQuCSzF">Pratt & Whitney Rocketdyne</a></td><td><a href="/facts/Ares_I/rTecoQ5S">Ares I</a>, <a href="/facts/Ares_V/k6fxyVKV">Ares V</a>, <a href="/facts/Space_Launch_System/DbGCgH1W">SLS</a> (proposed)</td><td>Tested, Cancelled</td><td>Upper</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>448<a class="footnote-ref" id="fnref:149" href="#fn:149"><sup>149</sup></a></td><td>1,310,000</td><td>95</td><td>2,470</td><td>58.41</td><td>5.5–4.5</td></tr><tr><td><a href="/facts/Kestrel_(rocket_engine)/vR9v6htG">Kestrel</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/SpaceX/2tKHsVdJ">SpaceX</a></td><td><a href="/facts/Falcon_1/F4DBbpCS">Falcon 1</a></td><td>Retired</td><td>Upper</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Pressure_fed/doEYm9wH">Pressure fed</a></td><td>317</td><td>31,000</td><td>9.3</td><td>52</td><td>65</td><td></td></tr><tr><td><a href="/facts/LE-5/CmIB1NHS">LE-5</a></td><td> <a href="/facts/Japan/U5mz0SRT">Japan</a></td><td><a href="/facts/Mitsubishi_Heavy_Industries/8sEQU1Yn">Mitsubishi</a>, <a href="/facts/National_Space_Development_Agency_of_Japan/JzaLf6bE">NASDA</a></td><td><a href="/facts/H-I/2a4KD8I7">H-I</a></td><td>Retired</td><td>Upper</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>450<a class="footnote-ref" id="fnref:150" href="#fn:150"><sup>150</sup></a></td><td>103,000</td><td>36.0</td><td>245</td><td>42.87</td><td>5.5</td></tr><tr><td><a href="/facts/LE-5/CmIB1NHS">LE-5</a>A</td><td> <a href="/facts/Japan/U5mz0SRT">Japan</a></td><td><a href="/facts/Mitsubishi_Heavy_Industries/8sEQU1Yn">Mitsubishi</a>, <a href="/facts/National_Space_Development_Agency_of_Japan/JzaLf6bE">NASDA</a></td><td><a href="/facts/H-II/X8dox6pq">H-II</a></td><td>Retired</td><td>Upper</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Expander_cycle/vUu8MYyj">Expander, open</a></td><td>452<a class="footnote-ref" id="fnref:151" href="#fn:151"><sup>151</sup></a></td><td>121,500</td><td>40.0</td><td>242</td><td>51.19</td><td>5</td></tr><tr><td><a href="/facts/LE-7/xuLBI2Hn">LE-7</a></td><td> <a href="/facts/Japan/U5mz0SRT">Japan</a></td><td><a href="/facts/Mitsubishi_Heavy_Industries/8sEQU1Yn">Mitsubishi</a>, <a href="/facts/National_Space_Development_Agency_of_Japan/JzaLf6bE">NASDA</a></td><td><a href="/facts/H-II/X8dox6pq">H-II</a></td><td>Retired</td><td>1st</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion/0dlyvzvF">Staged combustion</a></td><td>446<a class="footnote-ref" id="fnref:152" href="#fn:152"><sup>152</sup></a></td><td>1,078,000 843,500 (SL)</td><td>127</td><td>1,714</td><td>64.13</td><td>5.9</td></tr><tr><td><a href="/facts/Aerojet_M-1/LBqmQpk0">M-1</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Aerojet/hlrJsgVF">Aerojet</a></td><td></td><td>Cancelled</td><td>1st, 2nd?</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>428 (SL)</td><td>6,670,000</td><td></td><td>9,068</td><td>60</td><td></td></tr><tr><td><a href="/facts/Merlin_(rocket_engine)/95qreG8R">Merlin 1C</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/SpaceX/2tKHsVdJ">SpaceX</a></td><td><a href="/facts/Falcon_9_v1.0/Y1XbcEsn">Falcon 9 v1.0</a></td><td>Retired</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>311<a class="footnote-ref" id="fnref:153" href="#fn:153"><sup>153</sup></a> 282 (SL)<a class="footnote-ref" id="fnref:154" href="#fn:154"><sup>154</sup></a></td><td>723,000</td><td>97</td><td>470</td><td>158</td><td>2.34</td></tr><tr><td><a href="/facts/Merlin_(rocket_engine)/95qreG8R">Merlin Vacuum 1C</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/SpaceX/2tKHsVdJ">SpaceX</a></td><td><a href="/facts/Falcon_9_v1.0/Y1XbcEsn">Falcon 9 v1.0</a></td><td>Retired</td><td>2nd</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>336<a class="footnote-ref" id="fnref:155" href="#fn:155"><sup>155</sup></a></td><td>413,644<a class="footnote-ref" id="fnref:156" href="#fn:156"><sup>156</sup></a></td><td></td><td></td><td>92</td><td></td></tr><tr><td><a href="/facts/LauncherOne/CDHWQcJ5">NewtonThree</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Virgin_Orbit/hKsGXm31">Virgin Orbit</a></td><td><a href="/facts/LauncherOne/CDHWQcJ5">LauncherOne</a></td><td>Retired</td><td><a href="/facts/Booster_(rocketry)/cUjIgX4R">Booster</a></td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td>Gas generator<a class="footnote-ref" id="fnref:157" href="#fn:157"><sup>157</sup></a></td><td></td><td>266,893<a class="footnote-ref" id="fnref:158" href="#fn:158"><sup>158</sup></a></td><td>70</td><td></td><td></td><td></td></tr><tr><td><a href="/facts/LauncherOne/CDHWQcJ5">NewtonFour</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Virgin_Orbit/hKsGXm31">Virgin Orbit</a></td><td><a href="/facts/LauncherOne/CDHWQcJ5">LauncherOne</a></td><td>Retired</td><td>2nd</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td>Gas generator<a class="footnote-ref" id="fnref:159" href="#fn:159"><sup>159</sup></a></td><td></td><td>22,241<a class="footnote-ref" id="fnref:160" href="#fn:160"><sup>160</sup></a></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/P80_(rocket_stage)/HUg0T67b">P80</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Avio/QNaF1FuD">Avio</a></td><td><a href="/facts/Vega_(rocket)/AuH9mJ32">Vega</a></td><td>Retired</td><td>1st</td><td><a href="/facts/HTPB/vY8fBq7C">HTPB</a></td><td>Solid fuel</td><td>280<a class="footnote-ref" id="fnref:161" href="#fn:161"><sup>161</sup></a></td><td>3,015,000<a class="footnote-ref" id="fnref:162" href="#fn:162"><sup>162</sup></a></td><td>88</td><td>96,000 with fuel</td><td></td><td></td></tr><tr><td><a href="/facts/Ariane_5/H78wlLG4">P230</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Avio/QNaF1FuD">Avio</a></td><td><a href="/facts/Ariane_5/H78wlLG4">Ariane 5</a></td><td>Retired</td><td><a href="/facts/Solid_rocket_booster/Fw48fMUf">Booster</a></td><td><a href="/facts/HTPB/vY8fBq7C">HTPB</a></td><td>Solid fuel</td><td>286<a class="footnote-ref" id="fnref:163" href="#fn:163"><sup>163</sup></a> 259 (SL)</td><td>6,996,000 5,860,000 (SL)</td><td>69</td><td>269,000 with fuel<a class="footnote-ref" id="fnref:164" href="#fn:164"><sup>164</sup></a></td><td></td><td></td></tr><tr><td><a href="/facts/RD-0120/J9WTame7">RD-0120</a> 11Д122</td><td> <a href="/facts/Soviet_Union/m7wWsPto">Soviet Union</a></td><td><a href="/facts/KBKhA/Ct1L3Mua">KBKhA</a></td><td><a href="/facts/Energia_(rocket)/snJSoyMA">Energia</a></td><td>Retired</td><td>1st</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td>Staged, fuel-rich</td><td>455<a class="footnote-ref" id="fnref:165" href="#fn:165"><sup>165</sup></a></td><td>1,962,000 1,526,000 (SL)</td><td>219</td><td>3,450</td><td>57.80</td><td></td></tr><tr><td><a href="/facts/RD-8/lDXdNSyP">RD-8</a>, 11D513</td><td> <a href="/facts/Soviet_Union/m7wWsPto">Soviet Union</a></td><td><a href="/facts/Yuzhnoye_Design_Office/euSxfxsR">Pivdenne</a>/<a href="/facts/Yuzhmash/lXU5z0xQ">Pivdenmash</a></td><td><a href="/facts/Zenit_(rocket_family)/fkovnBhD">Zenit</a></td><td>Retired</td><td>2nd vernier</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>342</td><td>78,450</td><td>77.47</td><td>356</td><td></td><td>2.4</td></tr><tr><td><a href="/facts/KVD-1/76eMRN7K">RD-56 (KVD-1)</a> 11Д56У</td><td> <a href="/facts/Russia/jfkCwyxn">Russia</a></td><td><a href="/facts/KBKhM/tK6yNnPy">KBKhM</a></td><td><a href="/facts/GSLV/PBneb7NS">GSLV Mk I</a></td><td>Retired</td><td>Upper</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td>Staged, fuel-rich</td><td>462<a class="footnote-ref" id="fnref:166" href="#fn:166"><sup>166</sup></a></td><td>69,626</td><td>55.9</td><td>282</td><td>25.17</td><td></td></tr><tr><td><a href="/facts/RD-107/fmCvNDWw">RD-117</a> 11Д511</td><td> <a href="/facts/Soviet_Union/m7wWsPto">Soviet Union</a></td><td><a href="/facts/NPO_Energomash/v936K2w7">NPO Energomash</a></td><td><a href="/facts/Soyuz-U/XuW0gmYM">Soyuz-U</a></td><td>Retired</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td>Gas generator</td><td>316<a class="footnote-ref" id="fnref:167" href="#fn:167"><sup>167</sup></a> 253 (SL)</td><td>978,000 778,648 (SL)</td><td>54.2</td><td>1,100</td><td>72.18</td><td></td></tr><tr><td><a href="/facts/RD-107/fmCvNDWw">RD-118</a> 11Д512</td><td> <a href="/facts/Soviet_Union/m7wWsPto">Soviet Union</a></td><td><a href="/facts/NPO_Energomash/v936K2w7">NPO Energomash</a></td><td><a href="/facts/Soyuz-U/XuW0gmYM">Soyuz-U</a></td><td>Retired</td><td>2nd</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td>Gas generator</td><td>314<a class="footnote-ref" id="fnref:168" href="#fn:168"><sup>168</sup></a> 257 (SL)</td><td>1,000,278 818,855 (SL)</td><td>59.7</td><td>1,100</td><td>75.91</td><td></td></tr><tr><td><a href="/facts/RD-170_(rocket_engine)/DVefcXeK">RD-170</a><a class="footnote-ref" id="fnref:169" href="#fn:169"><sup>169</sup></a>11Д521<a class="footnote-ref" id="fnref:170" href="#fn:170"><sup>170</sup></a></td><td> <a href="/facts/Soviet_Union/m7wWsPto">Soviet Union</a></td><td><a href="/facts/NPO_Energomash/v936K2w7">NPO Energomash</a></td><td><a href="/facts/Energia_(rocket)/snJSoyMA">Energia</a></td><td>Retired</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td>Staged, oxidizer-rich</td><td>337.2 309.5 (SL)</td><td>7,904,160 7,256,921 (SL)</td><td>250</td><td>9,300</td><td>79.57</td><td></td></tr><tr><td><a href="/facts/RD-181/uEko9DN7">RD-181</a></td><td> <a href="/facts/Russia/jfkCwyxn">Russia</a></td><td><a href="/facts/NPO_Energomash/v936K2w7">NPO Energomash</a></td><td><a href="/facts/Antares_200/bjaHqCmA">Antares 200</a></td><td>Retired</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>339.2<a class="footnote-ref" id="fnref:171" href="#fn:171"><sup>171</sup></a> 311.9 (SL)</td><td>2,085,000 1,922,000 (SL)</td><td>262.6</td><td>2,200</td><td>89</td><td></td></tr><tr><td><a href="/facts/RD-193/V64ReCV5">RD-193</a></td><td> <a href="/facts/Russia/jfkCwyxn">Russia</a></td><td><a href="/facts/NPO_Energomash/v936K2w7">NPO Energomash</a></td><td><a href="/facts/Soyuz-2-1v/QD04uy3S">Soyuz-2-1v</a></td><td>Cancelled</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Staged_combustion_cycle/eINPGPr5">Staged, oxidizer-rich</a></td><td>337.5<a class="footnote-ref" id="fnref:172" href="#fn:172"><sup>172</sup></a> 311.2 (SL)</td><td>2,084,894 1,922,103 (SL)</td><td></td><td>1,900</td><td>103.15</td><td></td></tr><tr><td><a href="/facts/RD-264/AUcSft0r">RD-264</a> 11Д119</td><td> <a href="/facts/Soviet_Union/m7wWsPto">Soviet Union</a></td><td><a href="/facts/NPO_Energomash/v936K2w7">NPO Energomash</a></td><td><a href="/facts/Dnepr_(rocket)/g3VIdEfT">Dnepr</a></td><td>Retired</td><td>1st</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td>Staged, oxidizer-rich</td><td>318<a class="footnote-ref" id="fnref:173" href="#fn:173"><sup>173</sup></a> 293 (SL)</td><td>4,521,000</td><td>206</td><td>3,600</td><td>128.15</td><td></td></tr><tr><td><a href="/facts/RD-270/l0dbyIvb">RD-270</a><a class="footnote-ref" id="fnref:174" href="#fn:174"><sup>174</sup></a>8Д420</td><td> <a href="/facts/Soviet_Union/m7wWsPto">Soviet Union</a></td><td><a href="/facts/NPO_Energomash/v936K2w7">NPO Energomash</a></td><td><a href="/facts/Universal_Rocket/qF52yQI8">UR-700</a> (proposed), <a href="/facts/Universal_Rocket/qF52yQI8">UR-900</a> (proposed)</td><td>Tested, Cancelled</td><td>1st</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td>Staged, full-flow</td><td>322<a class="footnote-ref" id="fnref:175" href="#fn:175"><sup>175</sup></a> 301 (SL)</td><td>6,710,000 6,270,000 (SL)</td><td>261</td><td>3,370</td><td>189.91</td><td></td></tr><tr><td><a href="/facts/RD-275/W1NvWBe2">RD-275</a> 14Д14</td><td> <a href="/facts/Russia/jfkCwyxn">Russia</a></td><td><a href="/facts/NPO_Energomash/v936K2w7">NPO Energomash</a></td><td><a href="/facts/Proton-M/F9I5QHR7">Proton-M</a></td><td>Retired</td><td>1st</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td>Staged, oxidizer-rich</td><td>316<a class="footnote-ref" id="fnref:176" href="#fn:176"><sup>176</sup></a> 287 (SL)</td><td>1,831,882 1,671,053 (SL)</td><td>160.0</td><td>1,070</td><td>171.2</td><td></td></tr><tr><td><a href="/facts/RD-843/r8YMsmRo">RD-843</a></td><td> <a href="/facts/Ukraine/Qof0uqAj">Ukraine</a></td><td><a href="/facts/Yuzhnoye_Design_Office/euSxfxsR">Pivdenne</a>/<a href="/facts/Yuzhmash/lXU5z0xQ">Pivdenmash</a></td><td><a href="/facts/Vega_(rocket)/AuH9mJ32">Vega</a></td><td>Retired</td><td>upper</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td><a href="/facts/Pressure-fed_engine/doEYm9wH">Pressure-fed</a></td><td>315.5</td><td>2,452</td><td>20.4</td><td>15.93</td><td></td><td>2.0</td></tr><tr><td><a href="/facts/RD-854/xCG5GUth">RD-854</a> 8D612</td><td> <a href="/facts/Soviet_Union/m7wWsPto">Soviet Union</a></td><td><a href="/facts/Yuzhnoye_Design_Office/euSxfxsR">Pivdenne</a>/<a href="/facts/Yuzhmash/lXU5z0xQ">Pivdenmash</a></td><td><a href="/facts/R-36ORB/ga1aBeDt">R-36ORB</a></td><td>Retired</td><td>3rd</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td>Gas generator</td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/facts/RD-855/J0Kdh8FW">RD-855</a> 8D68M</td><td> <a href="/facts/Soviet_Union/m7wWsPto">Soviet Union</a></td><td><a href="/facts/Yuzhnoye_Design_Office/euSxfxsR">Pivdenne</a>/<a href="/facts/Yuzhmash/lXU5z0xQ">Pivdenmash</a></td><td><a href="/facts/Tsyklon-2/L2I17UM6">Tsyklon-2</a>, <a href="/facts/Tsyklon-3/RQIm7T7F">-3</a>, <a href="/facts/R-36_(missile)/ga1aBeDt">R-36</a></td><td>Retired</td><td>1st vernier</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td>Gas generator</td><td></td><td>328,000</td><td>65.70</td><td>320</td><td></td><td>1.97</td></tr><tr><td><a href="/facts/RD-856/9BBubNCT">RD-856</a> 8D69M</td><td> <a href="/facts/Soviet_Union/m7wWsPto">Soviet Union</a></td><td><a href="/facts/Yuzhnoye_Design_Office/euSxfxsR">Pivdenne</a>/<a href="/facts/Yuzhmash/lXU5z0xQ">Pivdenmash</a></td><td><a href="/facts/Tsyklon-2/L2I17UM6">Tsyklon-2</a>, <a href="/facts/Tsyklon-3/RQIm7T7F">-3</a> (<a href="/facts/Tsyklon-4/5PfNGs8f">-4</a>), <a href="/facts/R-36_(missile)/ga1aBeDt">R-36</a></td><td>Retired</td><td>2nd vernier</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td>Gas generator</td><td></td><td>54,230</td><td>71.60</td><td>112.5</td><td></td><td>1.98</td></tr><tr><td><a href="/facts/RD-861/xCG5GUth">RD-861</a> 11D25</td><td> <a href="/facts/Soviet_Union/m7wWsPto">Soviet Union</a></td><td><a href="/facts/Yuzhnoye_Design_Office/euSxfxsR">Pivdenne</a>/<a href="/facts/Yuzhmash/lXU5z0xQ">Pivdenmash</a></td><td><a href="/facts/Tsyklon-2/L2I17UM6">Tsyklon-2</a>, <a href="/facts/Tsyklon-3/RQIm7T7F">-3</a></td><td>Retired</td><td>3rd</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td>Gas generator</td><td></td><td>78,710</td><td>88.8</td><td>123</td><td></td><td>2.1</td></tr><tr><td><a href="/facts/RD-864/GtYvPQuH">RD-864</a> 15D177</td><td> <a href="/facts/Soviet_Union/m7wWsPto">Soviet Union</a></td><td><a href="/facts/Yuzhnoye_Design_Office/euSxfxsR">Pivdenne</a>/<a href="/facts/Yuzhmash/lXU5z0xQ">Pivdenmash</a></td><td><a href="/facts/R-36M/ga1aBeDt">R-36 (missile)</a>, <a href="/facts/Dnepr_(rocket)/g3VIdEfT">Dnipro</a></td><td>Retired</td><td>3rd</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td>Gas generator</td><td>298–309</td><td>8,450–20,200</td><td>17–41</td><td>199</td><td></td><td>1.8</td></tr><tr><td><a href="/facts/RD-869/GtYvPQuH">RD-869</a> 15D300</td><td> <a href="/facts/Soviet_Union/m7wWsPto">Soviet Union</a></td><td><a href="/facts/Yuzhnoye_Design_Office/euSxfxsR">Pivdenne</a>/<a href="/facts/Yuzhmash/lXU5z0xQ">Pivdenmash</a></td><td><a href="/facts/R-36M/ga1aBeDt">R-36M</a></td><td>Retired</td><td>3rd</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td>Gas generator</td><td>302.3–313</td><td>8,580–20,470</td><td>17–41</td><td>196</td><td></td><td>1.8</td></tr><tr><td><a href="/facts/RS-27A/XydyVMvo">RS-27A</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Rocketdyne/3sGkwgd8">Rocketdyne</a></td><td><a href="/facts/Delta_(rocket_family)/gQH4EUYB">Delta</a></td><td>Retired</td><td>1st</td><td><a href="/facts/RP-1/wDI7vNdu">RP-1</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>302<a class="footnote-ref" id="fnref:177" href="#fn:177"><sup>177</sup></a> 255 (SL)</td><td>1,054,200</td><td>49</td><td>1,091</td><td>102.5</td><td>2.245</td></tr><tr><td><a href="/facts/RS-68A/Y56hGjG8">RS-68A</a><a class="footnote-ref" id="fnref:178" href="#fn:178"><sup>178</sup></a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Pratt_%26_Whitney_Rocketdyne/HdQuCSzF">Rocketdyne</a></td><td><a href="/facts/Delta_IV/QWun0yHh">Delta IV</a>, <a href="/facts/Delta_IV_Heavy/hLQT6QQG">IV Heavy</a></td><td>Retired</td><td>1st</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>411<a class="footnote-ref" id="fnref:179" href="#fn:179"><sup>179</sup></a> 362 (SL)</td><td>3,558,577 3,135,996 (SL)</td><td>109</td><td>6,686</td><td>54.31</td><td>5.97</td></tr><tr><td><a href="/facts/Space_Shuttle_Solid_Rocket_Booster/ETayF0Xh">Space Shuttle Solid Rocket Booster</a><a class="footnote-ref" id="fnref:180" href="#fn:180"><sup>180</sup></a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/Thiokol/alHU0yG6">Thiokol</a></td><td><a href="/facts/Space_Shuttle/7BoyetEv">Space Shuttle</a>, <a href="/facts/Ares_I/rTecoQ5S">Ares I</a></td><td>Retired</td><td><a href="/facts/Solid_Rocket_Booster/Fw48fMUf">Booster</a></td><td><a href="/facts/Polybutadiene_acrylonitrile/WcedP8jQ">PBAN</a> / <a href="/facts/APCP/LpEa20Tw">APCP</a></td><td>Solid fuel</td><td>268</td><td>14,000,000 12,500,000 (SL)</td><td></td><td>590,000 with fuel</td><td></td><td></td></tr><tr><td><a href="/facts/SRB-A/EJ4fufGb">SRB-A</a></td><td> <a href="/facts/Japan/U5mz0SRT">Japan</a></td><td><a href="/facts/IHI_Corporation/B6nNTy3g">IHI Aerospace</a>, <a href="/facts/Japan_Aerospace_Exploration_Agency/ofUpflgf">JAXA</a></td><td><a href="/facts/H-IIA/W9Q48DHS">H-IIA</a></td><td>Retired</td><td><a href="/facts/Solid_rocket_booster/Fw48fMUf">Booster</a></td><td><a href="/facts/HTPB/vY8fBq7C">HTPB</a></td><td>Solid fuel</td><td>280<a class="footnote-ref" id="fnref:181" href="#fn:181"><sup>181</sup></a></td><td>2,250,000</td><td></td><td>76,400 with fuel</td><td></td><td></td></tr><tr><td><a href="/facts/UA120/Nd3NoKlh">UA1207</a></td><td> <a href="/facts/United_States/P0sCdLe5">USA</a></td><td><a href="/facts/United_Technologies/DNekaBKw">United Technologies</a></td><td><a href="/facts/Titan_IV/H0TsgoPC">Titan IV</a></td><td>Retired</td><td><a href="/facts/Solid_Rocket_Booster/Fw48fMUf">Booster</a></td><td><a href="/facts/Polybutadiene_acrylonitrile/WcedP8jQ">PBAN</a></td><td>Solid fuel</td><td>272<a class="footnote-ref" id="fnref:182" href="#fn:182"><sup>182</sup></a> 245 (SL)</td><td>7,116,000 6,410,400 (SL)</td><td></td><td>319,330 with fuel</td><td></td><td></td></tr><tr><td><a href="/facts/Viking_(rocket_engine)/8gSGrLXW">Viking 2</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Snecma/HERWYfK9">Snecma</a></td><td><a href="/facts/Ariane_1/eNnQsLD8">Ariane 1</a></td><td>Retired</td><td>1st</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td></td><td>690,000 611,200 (SL)</td><td></td><td>776</td><td>90.67</td><td></td></tr><tr><td><a href="/facts/Viking_(rocket_engine)/8gSGrLXW">Viking 2B</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Snecma/HERWYfK9">Snecma</a></td><td><a href="/facts/Ariane_2/WUhvIVtC">Ariane 2</a>, <a href="/facts/Ariane_3/RhNhEfpx">3</a></td><td>Retired</td><td>1st</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UH_25/nc61HvRb">UH 25</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td></td><td>643,000 (SL)</td><td></td><td>776</td><td>84.5</td><td></td></tr><tr><td><a href="/facts/Viking_(rocket_engine)/8gSGrLXW">Viking 4</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Snecma/HERWYfK9">Snecma</a></td><td><a href="/facts/Ariane_1/eNnQsLD8">Ariane 1</a></td><td>Retired</td><td>2nd</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UDMH/g08Fzo2D">UDMH</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td></td><td>713,000</td><td></td><td>826</td><td>88</td><td></td></tr><tr><td><a href="/facts/Viking_(rocket_engine)/8gSGrLXW">Viking 4B</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Snecma/HERWYfK9">Snecma</a></td><td><a href="/facts/Ariane_2/WUhvIVtC">Ariane 2</a>, <a href="/facts/Ariane_3/RhNhEfpx">3</a>, <a href="/facts/Ariane_4/hSG5Jl7Q">4</a></td><td>Retired</td><td>2nd</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UH_25/nc61HvRb">UH 25</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td></td><td>800,000</td><td></td><td>826</td><td>98.76</td><td></td></tr><tr><td><a href="/facts/Viking_(rocket_engine)/8gSGrLXW">Viking 5C</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Snecma/HERWYfK9">Snecma</a></td><td><a href="/facts/Ariane_4/hSG5Jl7Q">Ariane 4</a></td><td>Retired</td><td>1st</td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UH_25/nc61HvRb">UH 25</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td></td><td>758,000 678,000 (SL)</td><td></td><td>826</td><td>93.57</td><td></td></tr><tr><td><a href="/facts/Viking_(rocket_engine)/8gSGrLXW">Viking 6</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Snecma/HERWYfK9">Snecma</a></td><td><a href="/facts/Ariane_4/hSG5Jl7Q">Ariane 4</a></td><td>Retired</td><td><a href="/facts/Booster_(rocketry)/cUjIgX4R">Booster</a></td><td><a href="/facts/Dinitrogen_tetroxide/01WfnHJh">N2O4</a> / <a href="/facts/UH_25/nc61HvRb">UH 25</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td></td><td>750,000</td><td></td><td>826</td><td>92.59</td><td></td></tr><tr><td><a href="/facts/Vulcain_(rocket_engine)/pe01NawI">Vulcain</a> HM-60</td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Snecma/HERWYfK9">Snecma</a></td><td><a href="/facts/Ariane_5/H78wlLG4">Ariane 5</a></td><td>Retired</td><td>1st</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>439<a class="footnote-ref" id="fnref:183" href="#fn:183"><sup>183</sup></a> 326 (SL)<a class="footnote-ref" id="fnref:184" href="#fn:184"><sup>184</sup></a></td><td>1,113,000<a class="footnote-ref" id="fnref:185" href="#fn:185"><sup>185</sup></a> 773,200 (SL)<a class="footnote-ref" id="fnref:186" href="#fn:186"><sup>186</sup></a></td><td>109<a class="footnote-ref" id="fnref:187" href="#fn:187"><sup>187</sup></a></td><td>1,300<a class="footnote-ref" id="fnref:188" href="#fn:188"><sup>188</sup></a></td><td>84.38</td><td></td></tr><tr><td><a href="/facts/Vulcain_(rocket_engine)/pe01NawI">Vulcain 2</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Snecma/HERWYfK9">Snecma</a></td><td><a href="/facts/Ariane_5/H78wlLG4">Ariane 5</a></td><td>Retired</td><td>1st</td><td><a href="/facts/Liquid_hydrogen/Vpk3Gb8P">LH2</a> / <a href="/facts/LOX/qnI0KDTb">LOX</a></td><td><a href="/facts/Gas-generator_cycle/TxVnVPuV">Gas generator</a></td><td>429<a class="footnote-ref" id="fnref:189" href="#fn:189"><sup>189</sup></a> 318 (SL)<a class="footnote-ref" id="fnref:190" href="#fn:190"><sup>190</sup></a></td><td>1,359,000<a class="footnote-ref" id="fnref:191" href="#fn:191"><sup>191</sup></a> 939,500 (SL)<a class="footnote-ref" id="fnref:192" href="#fn:192"><sup>192</sup></a></td><td>117.3<a class="footnote-ref" id="fnref:193" href="#fn:193"><sup>193</sup></a></td><td>1,800<a class="footnote-ref" id="fnref:194" href="#fn:194"><sup>194</sup></a></td><td>77.04</td><td></td></tr><tr><td><a href="/facts/Waxwing_(Rocket_motor)/b2v7mf4Q">Waxwing</a></td><td> <a href="/facts/United_Kingdom/kuPAILt2">United Kingdom</a></td><td><a href="/facts/Bristol_Aerojet/FaMdJlK3">Bristol Aerojet</a></td><td><a href="/facts/Black_Arrow/SCcGv4qY">Black Arrow</a></td><td>Retired</td><td>Upper</td><td></td><td>Solid fuel</td><td>278<a class="footnote-ref" id="fnref:195" href="#fn:195"><sup>195</sup></a> 245 (SL)</td><td>29,400 25,900 (SL)</td><td></td><td>87</td><td>34.48</td><td></td></tr><tr><td><a href="/facts/Zefiro_(rocket_stage)/veRhumXk">Zefiro 23</a></td><td> <a href="/facts/Europe/DTAtrKfh">Europe</a></td><td><a href="/facts/Avio/QNaF1FuD">Avio</a></td><td><a href="/facts/Vega_(rocket)/AuH9mJ32">Vega</a></td><td>Retired</td><td>2nd</td><td><a href="/facts/HTPB/vY8fBq7C">HTPB</a></td><td>Solid fuel</td><td>287.5<a class="footnote-ref" id="fnref:196" href="#fn:196"><sup>196</sup></a></td><td>1,122,000<a class="footnote-ref" id="fnref:197" href="#fn:197"><sup>197</sup></a></td><td>94</td><td>25,935 with fuel</td><td></td><td></td></tr></tbody></table> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/Comparison_of_orbital_launch_systems/lSEHGfUx">Comparison of orbital launch systems</a></li> <li><a href="/facts/Comparison_of_orbital_launchers_families/w5HG4Juq">Comparison of orbital launchers families</a></li> <li><a href="/facts/Comparison_of_crewed_space_vehicles/dxhaxyua">Comparison of crewed space vehicles</a></li> <li><a href="/facts/Comparison_of_space_station_cargo_vehicles/yHPfFzaM">Comparison of space station cargo vehicles</a></li> <li><a href="/facts/Comparison_of_solid-fuelled_orbital_launch_systems/zCM1KLlh">Comparison of solid-fuelled orbital launch systems</a></li> <li><a href="/facts/List_of_space_launch_system_designs/6wxj9rb6">List of space launch system designs</a></li> <li><a href="/facts/List_of_orbital_launch_systems/pa8QR1o3">List of orbital launch systems</a></li></ul> <h2 id="notes">Notes</h2> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>At sea level if denoted SL, in vacuum otherwise <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>At sea level if denoted SL, in vacuum otherwise <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Weight is calculated at standard gravity. <a href="/wiki/Standard_gravity" target="_blank">/wiki/Standard_gravity</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"In-Space Product Data Sheets" (PDF). Aerojet Rocketdyne. September 13, 2019. Archived from the original (PDF) on January 11, 2020. Retrieved January 29, 2020. <a href="https://web.archive.org/web/20200111232719/https://www.rocket.com/sites/default/files/documents/In-Space%20Data%20Sheets%209.13.19.pdf" target="_blank">https://web.archive.org/web/20200111232719/https://www.rocket.com/sites/default/files/documents/In-Space%20Data%20Sheets%209.13.19.pdf</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>"In-Space Product Data Sheets" (PDF). Aerojet Rocketdyne. September 13, 2019. Archived from the original (PDF) on January 11, 2020. Retrieved January 29, 2020. <a href="https://web.archive.org/web/20200111232719/https://www.rocket.com/sites/default/files/documents/In-Space%20Data%20Sheets%209.13.19.pdf" target="_blank">https://web.archive.org/web/20200111232719/https://www.rocket.com/sites/default/files/documents/In-Space%20Data%20Sheets%209.13.19.pdf</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"In-Space Product Data Sheets" (PDF). Aerojet Rocketdyne. September 13, 2019. Archived from the original (PDF) on January 11, 2020. Retrieved January 29, 2020. <a href="https://web.archive.org/web/20200111232719/https://www.rocket.com/sites/default/files/documents/In-Space%20Data%20Sheets%209.13.19.pdf" target="_blank">https://web.archive.org/web/20200111232719/https://www.rocket.com/sites/default/files/documents/In-Space%20Data%20Sheets%209.13.19.pdf</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>"In-Space Product Data Sheets" (PDF). Aerojet Rocketdyne. September 13, 2019. Archived from the original (PDF) on January 11, 2020. Retrieved January 29, 2020. <a href="https://web.archive.org/web/20200111232719/https://www.rocket.com/sites/default/files/documents/In-Space%20Data%20Sheets%209.13.19.pdf" target="_blank">https://web.archive.org/web/20200111232719/https://www.rocket.com/sites/default/files/documents/In-Space%20Data%20Sheets%209.13.19.pdf</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>"First Look Inside Blue Origin's New Glenn Factory w/ Jeff Bezos!". YouTube. August 15, 2024. Retrieved August 16, 2024. <a href="https://www.youtube.com/watch?v=rsuqSn7ifpU" target="_blank">https://www.youtube.com/watch?v=rsuqSn7ifpU</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>"First Look Inside Blue Origin's New Glenn Factory w/ Jeff Bezos!". YouTube. August 15, 2024. Retrieved August 16, 2024. <a href="https://www.youtube.com/watch?v=rsuqSn7ifpU" target="_blank">https://www.youtube.com/watch?v=rsuqSn7ifpU</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> <li id="fn:10"><p>Belam, Martin (January 8, 2024). "Nasa Peregrine 1 launch: Vulcan Centaur rocket carrying Nasa moon lander lifts off in Florida – live updates". the Guardian. ISSN 0261-3077. Retrieved January 8, 2024. <a href="https://www.theguardian.com/science/live/2024/jan/08/nasa-peregrine-1-launch-rocket-moon-latest-news-updates-live" target="_blank">https://www.theguardian.com/science/live/2024/jan/08/nasa-peregrine-1-launch-rocket-moon-latest-news-updates-live</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></p></li> <li id="fn:11"><p>"First Look Inside Blue Origin's New Glenn Factory w/ Jeff Bezos!". YouTube. August 15, 2024. 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