Crossword clues for Propulsion device 3 lettersAnswerClueOARFluid propulsion deviceOARPropulsion deviceSEABOBHand-held water propulsion deviceENGINEPropulsion deviceSOLARSAILSpacecraft propulsion device reliant on sunlight (... first 2 letters + last 2)SOLARSAILSpacecraft propulsion device utilizing radiation pressureTHRUSTERSPropulsion devicesRAMJETENGINESPropulsion devices designed for supersonic travelJETPACKSPropulsion devices worn on the backBOOSTERSDevices for rocket propulsion.