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| | Patriot Missile |
 | | The PATRIOT (Phased Array Tracking Intercept of Target) is the U.S. Army's most advanced air defense system. |
 | | The combat element of the PATRIOT missile system is the fire unit, which consists of a phased array radar set (RS), and engagement control station (ECS), an electric power plant, an antenna mast group (AMG), a communications relay group (CRG), and up to eight launching stations (LS). |
 | | The Patriot Advanced Capability-3 (PAC-3) upgrade program incorporates significant upgrades to the RS and ECS, and adds the new PAC-3 missile, which utilizes hit-to-kill technology for greater lethality against TBMs armed with weapons of mass destruction. |
| tech.military.com /equipment/view/88751/patriot-missile.html (359 words) |
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