U.S. Navy Chief Gunner's Mate David Butler, right, mans the rails aboard the guided missile cruiser USS Antietam (CG 54) as the ship enters the port at Fleet Activities Yokosuka, Japan. The Antietam was on patrol with the George Washington Carrier Strike Group supporting security and stability in the U.S. 7th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 3rd Class Declan Barnes/Released)