 Aviation boatswain's mate

Aviation boatswain's mate (abbreviated as AB) is a United States Navy occupational rating.Aviation boatswain's mates operate, maintain, and perform organizational maintenance on catapults, arresting gear, barricades, and associated flightdeck launching and recovery equipment; operate and service aircraft ground-handling equipment and machinery; operate and service aircraft crash, firefighting, and rescue equipment; handle aircraft afloat and ashore; operate, maintain, and repair aviation fueling, defueling, lubricating oil, and inert gas systems; perform crash rescue, crash removal, and damage control duties.