飞入太空后，拦截弹释放外大气层杀伤装置，该装置进一步跟踪、拦截并摧毁目标弹头。
After flying into space, the interceptor released its exoatmospheric kill vehicle, which tracked, intercepted and destroyed the target warhead.
在精确拦截的情况下，EKV的动能和导弹会粉碎弹头并摧毁任何导弹可能携带核能、化学能或者生物能的杀伤制剂。
In the event of a precise hit, the kinetic energy of the EKV and the missile will pulverize the warhead and destroy any nuclear, chemical, or biological agents it might be carrying.
第四级是20磅“动能拦截弹头”(LEAP)杀伤运载具，采用红外传感器逐渐接近和碰撞目标。
The fourth stage is the 20 pound LEAP kill vehicle, which USES infrared sensors to close on the target and ram it.
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