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LEROS
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<h2 id="uses">Uses</h2> <p>LEROS engines have been used on a number of <a href="/facts/NASA/TIMCV0yV">NASA</a> and other space agency missions: </p> <ul><li><a href="/facts/NEAR_Shoemaker/1Wblm4KL">NEAR Shoemaker</a> (Near Earth Asteroid Rendezvous)</li> <li><a href="/facts/Mars_Global_Surveyor/MGXbPxdx">Mars Global Surveyor</a><a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a></li> <li><a href="/facts/MESSENGER/EFJEPNxR">MESSENGER</a><a class="footnote-ref" id="fnref:10" href="#fn:10"><sup>10</sup></a></li> <li><a href="/facts/Juno_(spacecraft)/UzlYPApe"><i>Juno</i></a></li> <li><a href="/facts/JCSAT-5A/VoUsUlcD">JCSAT-5A</a><a class="footnote-ref" id="fnref:11" href="#fn:11"><sup>11</sup></a></li> <li><a href="/facts/Sirius_(satellite)/1dL5G4VB">Sirius 4</a></li> <li><a href="/facts/Nimiq/Fr6B4nBj">Nimiq 1</a><a class="footnote-ref" id="fnref:12" href="#fn:12"><sup>12</sup></a></li> <li><a href="/facts/Space-Based_Infrared_System/Gm803PNp">SBIRS</a> <a href="/facts/USA-230/xMTvmSzl">GEO 1</a> and <a href="/facts/USA-241/lERQyJfN">GEO 2</a><a class="footnote-ref" id="fnref:13" href="#fn:13"><sup>13</sup></a><a class="footnote-ref" id="fnref:14" href="#fn:14"><sup>14</sup></a></li> <li><a href="/facts/Intelsat_33e/jXou7GCd">Intelsat 33e</a><a class="footnote-ref" id="fnref:15" href="#fn:15"><sup>15</sup></a></li> <li><a href="/facts/SpaceIL/k8IFCKhG"><i>Beresheet</i></a> <a href="/facts/Lunar_lander/M6UsNnXY">lunar lander</a><a class="footnote-ref" id="fnref:16" href="#fn:16"><sup>16</sup></a></li></ul> <p>There have been helium check valve problems on <i>Juno</i> leading to postponed maneuvers, and a failure after the first burn on <a href="/facts/Intelsat_33e/jXou7GCd">Intelsat 33e</a> requiring backup low-thrust jets to be used to bring the satellite to its intended orbit.<a class="footnote-ref" id="fnref:17" href="#fn:17"><sup>17</sup></a> </p> <ul> <li>Spaceflight portal</li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"Nammo acquires Moog's European In-Space Propulsion businesses". MyNewsDesk. 12 June 2017. Retrieved 28 June 2018. <a href="http://www.mynewsdesk.com/no/nammo/pressreleases/nammo-acquires-moogs-european-in-space-propulsion-businesses-2010740" target="_blank">http://www.mynewsdesk.com/no/nammo/pressreleases/nammo-acquires-moogs-european-in-space-propulsion-businesses-2010740</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Spaceflight Now - LEROS 1c First Firing <a href="http://spaceflightnow.com/news/n0006/27arcengine/" target="_blank">http://spaceflightnow.com/news/n0006/27arcengine/</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Amos, Jonathan (4 September 2012). "Juno Jupiter probe gets British boost". BBC News. Retrieved 5 July 2016. <a href="https://www.bbc.co.uk/news/science-environment-19477618" target="_blank">https://www.bbc.co.uk/news/science-environment-19477618</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"Moog Space & Defence Group". moog.co.uk. Archived from the original on 22 February 2017. <a href="https://web.archive.org/web/20170222204418/http://www.moog.co.uk/locations-contacts/moog-space-defence-group.html" target="_blank">https://web.archive.org/web/20170222204418/http://www.moog.co.uk/locations-contacts/moog-space-defence-group.html</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Corporation, American Pacific. "LEROS Engine Propels the Juno Spacecraft on Its Historic Voyage to Jupiter". prnewswire.com. Retrieved 28 June 2018. <a href="http://www.prnewswire.com/news-releases/leros-engine-propels-the-juno-spacecraft-on-its-historic-voyage-to-jupiter-133466283.html" target="_blank">http://www.prnewswire.com/news-releases/leros-engine-propels-the-juno-spacecraft-on-its-historic-voyage-to-jupiter-133466283.html</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>Moog ISP Apogee/Upper Stage Thrusters Archived 2014-11-29 at the Wayback Machine <a href="http://www.moog.com/products/thrusters/apogee-upper-stage-thrusters/" target="_blank">http://www.moog.com/products/thrusters/apogee-upper-stage-thrusters/</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>Naicker, Lolan (May 2014). "An overview of development model testing for the LEROS 4 High Thrust Apogee Engine" (PDF). lolannaicker.com. Archived from the original (PDF) on 16 January 2022. Retrieved 28 June 2018. <a href="https://web.archive.org/web/20220116135611/http://www.lolannaicker.com/documents/SP2014_2969298.pdf" target="_blank">https://web.archive.org/web/20220116135611/http://www.lolannaicker.com/documents/SP2014_2969298.pdf</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>Werner, Debra (15 July 2013). "Moog Sees Higher-thrust Liquid Propellant Engine as Right Fit for Mars Missions". SpaceNews. Retrieved 5 July 2016. <a href="http://spacenews.com/36251space-propulsion-moog-sees-higher-thrust-liquid-propellant-engine-as/" target="_blank">http://spacenews.com/36251space-propulsion-moog-sees-higher-thrust-liquid-propellant-engine-as/</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>Astronautix - Mars Global Surveyor Archived 2009-08-10 at the Wayback Machine <a href="http://www.astronautix.com/craft/marveyor.htm" target="_blank">http://www.astronautix.com/craft/marveyor.htm</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> <li id="fn:10"><p>Spacenews feed - NASA Mercury Messenger Orbit Insertion <a href="http://www.spacenewsfeed.co.uk/index.php/mercury/7793-ampac-isp-engine-successfully-inserts-nasa-messenger-spacecraft-into-orbit-around-mercury" target="_blank">http://www.spacenewsfeed.co.uk/index.php/mercury/7793-ampac-isp-engine-successfully-inserts-nasa-messenger-spacecraft-into-orbit-around-mercury</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></p></li> <li id="fn:11"><p>Spaceflight101 - Ariane 5 Flight VA206 Archived 2013-02-12 at the Wayback Machine <a href="http://www.spaceflight101.com/va-206-ariane-5-mission.html" target="_blank">http://www.spaceflight101.com/va-206-ariane-5-mission.html</a> <a href="#fnref:11" class="footnote-back-ref">↩</a></p></li> <li id="fn:12"><p>Astronautix - A2100 Platform Archived 2013-07-19 at the Wayback Machine <a href="http://www.astronautix.com/craft/as2100.htm" target="_blank">http://www.astronautix.com/craft/as2100.htm</a> <a href="#fnref:12" class="footnote-back-ref">↩</a></p></li> <li id="fn:13"><p>Skyrocket - SBIRS Geo 1 <a href="http://space.skyrocket.de/doc_sdat/sbirs-high.htm" target="_blank">http://space.skyrocket.de/doc_sdat/sbirs-high.htm</a> <a href="#fnref:13" class="footnote-back-ref">↩</a></p></li> <li id="fn:14"><p>Spaceflight101 - Atlas V SBIRS Geo 2 Launch Archived 2014-09-13 at the Wayback Machine <a href="http://www.spaceflight101.com/atlas-v-sbirs-geo-2-launch-updates.html" target="_blank">http://www.spaceflight101.com/atlas-v-sbirs-geo-2-launch-updates.html</a> <a href="#fnref:14" class="footnote-back-ref">↩</a></p></li> <li id="fn:15"><p>Stephen Clark (30 January 2017). "Intelsat satellite in service after overcoming engine trouble". Spaceflight Now. Retrieved 31 January 2017. <a href="http://spaceflightnow.com/2017/01/30/intelsat-satellite-in-service-after-overcoming-engine-trouble/" target="_blank">http://spaceflightnow.com/2017/01/30/intelsat-satellite-in-service-after-overcoming-engine-trouble/</a> <a href="#fnref:15" class="footnote-back-ref">↩</a></p></li> <li id="fn:16"><p>Jonathan Amos (21 February 2019). "Israel's Beresheet robot sets its sights on the Moon". BBC News. <a href="https://www.bbc.co.uk/news/science-environment-47313486" target="_blank">https://www.bbc.co.uk/news/science-environment-47313486</a> <a href="#fnref:16" class="footnote-back-ref">↩</a></p></li> <li id="fn:17"><p>Stephen Clark (30 January 2017). "Intelsat satellite in service after overcoming engine trouble". Spaceflight Now. Retrieved 31 January 2017. <a href="http://spaceflightnow.com/2017/01/30/intelsat-satellite-in-service-after-overcoming-engine-trouble/" target="_blank">http://spaceflightnow.com/2017/01/30/intelsat-satellite-in-service-after-overcoming-engine-trouble/</a> <a href="#fnref:17" class="footnote-back-ref">↩</a></p></li> </ol>