propulsion system, launch vehicle, space capsule, payload, hypergolic, reciprocating saw, propellant, spacecraft, permanent magnet, exhaust system, bipropellant, sounding rocket, disc brake, fuel injection, oxidiser, unpowered, ramjet, ablator, stators, propulsion, gimbaled, ramjet engine, boundary layer, lunar excursion module, thruster, rodless, retroreflector, geosynchronous, spectro, empennage, rotary actuator, drogue parachute, orbiter, orbital velocity, air cushion, usos, drogue chute, viscometer, afterburning, nitrogen tetroxide, launcher, frustum, motors, magnetos, vernier, crankcases, inertial navigation system, odometry, hydraulic pump, armoured vehicle, guided missile, turbofan engine, aeronomy, midbody, amphibious vehicle, photometer, circularize, radome, aerodyne, dscs, dixi, fuel injection system, module, worf, pintle, turbojet engine, inertial guidance, solar array, cryostat, landing craft, lunar module, eldo, hypervelocity, nosecone, geosynchronous orbit, chassis, ballistic trajectory, peening, inert gas, wankel rotary engine, salyut, torpedo boat, cryogenic, deimos, rheometer, ecus, ullage, lander, vacuum pump, reconnaissance vehicle, subassembly, oxidizer, tiros, hydropneumatic, retrorockets, subminiature, navstar, spy satellite, sponsons, dnepr, sonobuoy, liquid oxygen