A major modification was made to the stern, including a new counterbalanced rudder, new stern casting and struts, and new shorter propeller shafts and stern tubes. The latest in fueling and replenishment at sea equipment was also added, including kingposts with outriggers, ram tensioned span wires and high lines, electric hydraulic winches, cargo elevators, helicopter pickup area, and sliding blocks and cargo drop reels at replenishment stations. New electric pumps, larger cargo piping, and double-hose fueling rigs were also added, as well as a 4,500-kilowatt auxiliary diesel generator plant, and more enclosed stowage space.