As its name implies, the Supply Department is concerned with the vital function of keeping the shp stocked with adequate levels of parts, stores, ordinance and other diverse material. Supply also provides a variety of personal services in the fields of administration and habitability. The Store Keepers work within a vast accounting system designed for rapid acquisition, storage, locating and issuing the thousands of items, large and small.

Supply Dept. is responsible for preparation and dispensation of food, keeping records of consumption and determining future provisions requirements. The ship's MSs (cooks) work to provide crewmen with varied and tastefully prepared meals, an important aspect of shipboard living. The SHs (Ships Servicemen) provide laundry and barbering services for the crew and also operate the ship's store, always a very popular service. They also perform related clerical duties and maintain various vending machines aboard ship. The Disbursing Clerks DKs duties include the maintenance of the crew's pay records and other accounting duties pertaining to pay and allowances.