 ABF's additionally work in the bottom levels of a ship, such as the pump rooms and filter rooms where purifying fuel and then subsequently pumping refined fuels to their flight deck counterparts.Working lower levels of a ship earns one the title, "Snipe"; concisely, lower levels of a ship remain excessively hot, dark, grimy, noisy, poorly ventilated, and unforgiving.Aviation boatswain's mates, handlers play a major part in launching and recovering naval aircraft quickly and safely from land or ships.