Boost phase

Boost phase

The boost phase is the portion of the flight of a ballistic missile or space vehicle during which the booster and sustainer engines operate until it reaches peak velocity. This phase can take 3 to 4 minutes (for a solid rocket shorter than for a liquid-propellant rocket), the altitude at the end of this phase is 150-200 km, and the typical burn-out speed is 7 km/s. Boost-phase intercept is a type of missile defense technology that would be designed to disable enemy missiles while they are still in the boost phase.


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  • boost phase — That portion of the flight of a ballistic missile or space vehicle during which the booster and sustainer engines operate. See also midcourse phase; reentry phase; terminal phase …   Military dictionary

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  • midcourse phase — That portion of the trajectory of a ballistic missile between the boost phase and the reentry phase. See also ballistic trajectory; boost phase; reentry phase; terminal phase …   Military dictionary

  • terminal phase — That portion of the trajectory of a ballistic missile between reentry into the atmosphere or the end of the mid course phase and impact or arrival in the vicinity of the target. See also boost phase; midcourse phase; reentry phase …   Military dictionary

  • Convertisseur Boost — Un convertisseur Boost, ou hacheur parallèle, est une alimentation à découpage qui convertit une tension continue en une autre tension continue de plus forte valeur. Sommaire 1 Applications 2 Principe de fonctionnement 2.1 Conduction continue …   Wikipédia en Français

  • Convertisseur boost — Un convertisseur Boost, ou hacheur parallèle, est une alimentation à découpage qui convertit une tension continue en une autre tension continue de plus forte valeur. Sommaire 1 Applications 2 Principe de fonctionnement 2.1 Conduction continue …   Wikipédia en Français

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