Synonyms to tank crewman

tanker, argosy, ark, bathyscaphe, caravel, cargo ship, coast guard cutter, coaster, collier, derelict, dredge, fishing boat, freighter, hydrofoil, icebreaker, lash, lightship, liner, merchant ship, merchantman, oiler, packet, packet boat, paddle steamer, picket ship, refrigeration ship, revenue cutter, rotor, rotor ship, screw steamer, self-propelled barge, ship, side-wheeler, slaver, spar-decker, steam schooner, steam yacht, steamer, stern-wheeler, storeship, tank corpsman, tender, tramp steamer, transport, trawler, turbine, weather ship, whaler