Naval Construction Battalion Naval Reservist RN Royal Marine Royal Navy Seabees USN United States Navy argosy armada bluejacket boot cadet coast guard combat engineer division engineer escadrille fleet flotilla frogman gob horse marine jolly marine merchant fleet merchant marine merchant navy midshipman midshipmite mosquito fleet naval cadet naval forces naval militia naval reserve navy navy man pioneer sapper sapper and miner squadron swabbie task force task group