reaction engine / motor (jet engine)

airbreathing jet engine / ducted jet engine

puff of the reaction control jet firing

Set motor spin direction by selecting and spinning each motor individually

air-breathing jet engine

axial-flow (jet) engine

hydrojet / water jet engine

jet engine

jet propulsion engine

air-feed jet engine

arc jet engine

compressorless air-breathing jet engine

laser air-jet engine

ram air-breathing jet engine

jet-propulsion engine

engine capacity / engine power, engine output

solid-propellant rocket engine / motor

Allied Command Europe Rapid Reaction Corps

chain reaction

combat stress reaction

CSTO Collective Rapid Reaction Forces

heat-induced reaction

hypergolic reaction

immediate reaction forces

induced reaction

personnel reaction time

quick reaction capability

quick reaction force (QRF)

rapid reaction force

rapid reaction team (RRT)

reaction forces

reaction propelled

reaction with metals