liquid propellant rocket engine

liquid-propellant rocket engine

liquid (rocket) propellant

liquid-propellant rocket

solid-propellant rocket (solid-fuel rocket)

solid-propellant rocket engine / motor

liquid rocket engine

liquid-propellant

liquid propellant

unguided solid propellant rocket

rocket propellant

liquid-core nuclear rocket

liquid-fuel air-cooled rocket

engine capacity / engine power, engine output

improvised rocket-assisted munition (IRAM); lob bomb (improvised rocket-assisted mortar)

multiple launch rocket system (MLRS); multiple rocket launcher system

rocket armament (rkt armt) / rocket weapon (rkt wpn)

Bergen side pouches / rocket pouches / rocket packs

hybrid rocket engine

restricted-burning rocket (engine)

rocket engine (rkt eng)

unrestricted burning rocket (engine)

advanced reusable rocket engine

laser-driven rocket engine

radiation-heated rocket engine

solar photon rocket engine

reaction engine / motor (jet engine)

rotary engine (Wankel engine)

engine ground run / engine test

engine oil reservoir / engine oil tank

airbreathing jet engine / ducted jet engine

propellant (powder)

propellant charge