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Vehicle armour
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<p><a href="/facts/Military_vehicle/j2DLsEnf">Military vehicles</a> are commonly <a href="/facts/Armour/jTpqE3du">armoured</a> to withstand the impact of <a href="/facts/Fragmentation_(weaponry)/hY6dz3rP">shrapnel</a>, <a href="/facts/Bullet/VgJXCI0b">bullets</a>, <a href="/facts/Shell_(projectile)/a51oDRdu">shells</a>, <a href="/facts/Rocket_(weapon)/yTtyeLsj">rockets</a>, and <a href="/facts/Missile/C5VwQClz">missiles</a>, protecting the personnel inside from enemy fire. Such vehicles include <a href="/facts/Armoured_fighting_vehicle/RGHj9Y1r">armoured fighting vehicles</a> like <a href="/facts/Tank/CwQLRQsy">tanks</a>, <a href="/facts/Aircraft/EhC4mBep">aircraft</a>, and <a href="/facts/Ship/418ptx1L">ships</a>. </p><p>Civilian vehicles may also be armoured. These vehicles include cars used by <a href="/facts/Official/TSxStIy7">officials</a> (e.g., <a href="/facts/Official_state_car/v0k86CWz">presidential limousines</a>), <a href="/facts/Reporters/LADe3dzs">reporters</a> and others in conflict zones or where violent crime is common. Civilian <a href="/facts/Armored_car_(valuables)/fNyBWVUL">armoured cars</a> are also routinely used by security firms to carry money or valuables to reduce the risk of <a href="/facts/Highway/2nxmEmgX">highway</a> <a href="/facts/Robbery/lWAlNkRS">robbery</a> or the <a href="/facts/Carjacking/etrEmKn5">hijacking</a> of the cargo. </p><p>Armour may also be used in vehicles to protect from threats other than a deliberate attack. Some <a href="/facts/Spacecraft/YQqQaUw0">spacecraft</a> are equipped with specialised armour to protect them against impacts from <a href="/facts/Micrometeoroid/VSkmQYv1">micrometeoroids</a> or fragments of <a href="/facts/Space_debris/X7YSKlXl">space debris</a>. Modern aircraft powered by <a href="/facts/Jet_engine/CJjFpeqt">jet engines</a> usually have them fitted with a sort of armour in the form of an <a href="/facts/Aramid/zQVtXcJL">aramid</a> <a href="/facts/Composite_armour/7ChAyoFA">composite</a> <a href="/facts/Kevlar/cFyJP7p0">kevlar</a> bandage around the fan casing or debris containment walls built into the casing of their <a href="/facts/Gas_turbine/JJJNwXrG">gas turbine</a> engines to prevent injuries or <a href="/facts/Airframe/q9E1GoA7">airframe</a> damage should the fan, compressor, or <a href="/facts/Turbine_blade/yY8jFPgl">turbine blades</a> break free. </p><p>The <a href="/facts/Design/kR4GNeja">design</a> and purpose of the vehicle determines the amount of armour plating carried, as the plating is often very heavy and excessive amounts of armour restrict mobility. In order to decrease this problem, some new materials (<a href="/facts/Nanomaterials/BthrFILJ">nanomaterials</a>) and material compositions are being researched which include <a href="/facts/Buckypaper/4xIXhUbv">buckypaper</a>, and <a href="/facts/Aluminium_foam/gjzPTUMN">aluminium foam</a> armour plates. </p>