The RVs (now armed) and chaff re-enter the atmosphere at high speeds.Ī ballistic missile follows a ballistic trajectory to deliver one or more warheads on a predetermined target. The RVs, as well as decoys and chaff, are deployed. The Post-Boost Vehicle maneuvers itself and prepares for re-entry vehicle (RV) deployment. About 180 seconds after launch, 3rd-stage thrust terminates and the Post-Boost Vehicle ( D) separates from the rocket. About 120 seconds after launch, the 3rd-stage motor ( C) ignites and separates from the 2nd stage. About 60 seconds after launch, the 1st-stage drops off and the 2nd-stage motor ( B) ignites. The missile launches out of its silo by firing its 1st-stage boost motor ( A).
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