suure veojõuga, lühikest aega toimiv ballistilise raketi abimootor, mida kasutatakse startimisel
rocket motor used to impart very large thrust for a short period of time during the early stages of a launch and the initial acceleration of a missile or other vehicle
The launch of the Galileo, Ulysses and Cassini space probes had many features in common. Each was launched from a large booster rocket sent off from Cape Canaveral in Florida. The rocket was sent out over the sea and when the booster rocket fell away after about 25 s it was already many miles over the ocean.
