| This autostub has not yet had its initial copyediting proof and may contain significant formatting and even factual errors. You can improve Exodictionary by cleaning up the page markup and verifying that the definition is correct and then removing this tag.
| This autostub has not yet had its initial categorization proof and may be categorized incorrectly. You can improve Exodictionary by removing inappropriate categories and then removing this tag.
A rocket engine of small thrust used primarily to obtain a fine adjustment
in the velocity and
of a rocket
vehicle just after the thrust cutoff of the last sustainer
engine, and used secondarily to add thrust to a booster or sustainer engine.
Also called vernier rocket.
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use