The Weapons Department is responsible for the ship's surface and ASW weapons systems and the preservation of the ship's external surfaces.

First Division's Boatswain's Mates and Seamen maintain all tackle, rigging and machinery used in the many outside evolutions both at sea and in port. The Gunners Mates and the Fire Control Technicians of WG Division are concerned with the operation of the 5 inch gun mount and with the small arms, training other divisions in the use and maintenance of the small arms. The Fire Control Techs are mainly concerned with the gun's complex target tracking system, it's calibration and accuracy. WA Division's Sonarmen oversee the operation of the anti-sub warfare equipment. The torpedomen look after explosive projectiles and the associated launching system.