171021-N-HI376-016 BUSAN, Republic of Korea (Oct. 21, 2017) Sailors aboard the forward-deployed Arleigh Burke-class guided-missile destroyer USS Stethem (DDG 63) man the rails as the ship enters port in Busan, Republic of Korea. Stethem is operating as part of the Ronald Reagan Strike Group in the U.S. 7th Fleet area of operations, a combat-ready force that protects and defends the collective maritime interests of its allies and partners in the Indo-Asia-Pacific. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jeremy Graham/Released)