Thruster

A thruster is a small propulsive device used by spacecraft and watercraft for station keeping, attitude control, or long duration low thrust acceleration.

See also:

See also: Thruster, Attitude control, Hall effect thruster, Ion thruster, Magnetoplasmadynamic thruster, Monopropellant rocket, Pulsed inductive thruster, Pulsed plasma thruster, Spacecraft, Spacecraft propulsion