11.   Then it will launch and guide interceptor missiles to collide with the warheads before they streak down toward their targets.

12.   Crews there would practice loading and unloading interceptor missiles from silos.

13.   In the test, an intercontinental missile with a mock warhead will be launched and experts will try to destroy it with an interceptor missile.

14.   Military officials were set to try again Monday night over the South Pacific to knock a dummy warhead out of space with an interceptor missile.

15.   Nearly a half-hour passed before officials who monitored the flight test from a basement office in the Pentagon reported that the interceptor missile had missed its target.

16.   Nearly a half hour passed before officials who monitored the flight test from a basement office in the Pentagon reported that the interceptor missile had missed its target.

17.   The goal of the missile defense system is to destroy a hostile warhead in space by ramming it head-on with an interceptor missile.

18.   The interceptor missile was supposed to destroy a dummy warhead in space, guided by ground-based radar and internal sensors.

19.   Designed for use against cruise missiles, planes amd helicopters, the Igla-S will also be cheaper and lighter than current interceptor missiles, Gushchin said.

20.   While the X-band radar is searching the skies, the command center fires the interceptor missile into the projected path of the incoming missile.