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boost phase

noun, Rocketry.
1.
the portion of the flight of a ballistic missile or spacecraft during which the booster and sustainer engines operate to bring it near or to peak velocity.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for boost phase
  • boost phase, intercept missiles require extremely high thrust axial motors to engage hostile targets in their boost phase.
  • Advanced missile defense interceptors require extremely high thrust axial motors to engage hostile targets in their boost phase.
  • In these programs there is a boost phase, the midcourse phase, and the terminal phase.
  • The overall weight of the interceptor for the boost phase interception is heavily driven by the payload and upper stages.

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