liquid rocket engine

liquid-propellant rocket engine

liquid propellant rocket engine

engine capacity / engine power, engine output

liquid (rocket) propellant

liquid-core nuclear rocket

liquid-fuel air-cooled rocket

liquid-propellant rocket

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)

solid-propellant rocket (solid-fuel rocket)

Bergen side pouches / rocket pouches / rocket packs

hybrid rocket engine

restricted-burning rocket (engine)

rocket engine (rkt eng)

solid-propellant rocket engine / motor

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

bulk liquid propellants

liquid contamination

liquid cooling system

liquid disperser

liquid droplet agent

liquid filled projectile

liquid fuze