Assertion: ballistic missile | /r/HasAspect | three stages of flight
Facets:
Source sentences:
text: Ballistic missiles have three stages of flight:
text: Ballistic missiles have three stages of flight: boost phase, which begins at launch and lasts until rocket engines finish; midcourse phase, the longest stage, when the projectile is on its parabolic path to the target; and terminal phase, when the detached warhead reenters the atmosphere, often traveling less than a minute to impact.