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The Exoatmospheric Kill Vehicle (EKV) is the Raytheon-manufactured interceptor component with subcontractor Aerojet of the U.S. Ground-Based Midcourse Defense (GMD), part of the larger National Missile Defense system. The EKV is boosted to an intercept trajectory by a boost vehicle (missile), where it separates from the boost vehicle and autonomously collides with an incoming warhead. The EKV is launched by the Ground-Based Interceptor (GBI) missile, the launch vehicle of the Ground-Based Midcourse Defense System. The EKV's own rockets and fuel are for corrections in the trajectory, not for further acceleration. ==Characteristics== * Weight: approx. 140 lb (64 kg) * Length: 55 in (4 ft. 7 in.) (1.4 m) * Diameter: 24 in (2 ft.) (0.6 m) * Speed of projectile: roughly 10 km/s (22,000 mph)〔()〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Exoatmospheric Kill Vehicle」の詳細全文を読む スポンサード リンク
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