step rocket


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Related to step rocket: Rocket stage

step rocket

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Noun1.step rocket - a rocket having two or more rocket engines (each with its own fuel) that are fired in succession and jettisoned when the fuel is exhausted
booster rocket, booster unit, takeoff booster, takeoff rocket, booster - the first stage of a multistage rocket
rocket, projectile - any vehicle self-propelled by a rocket engine