161016-N-SR567-103 BUSAN, Republic of Korea (Oct. 16, 2016) Nimitz-class aircraft carrier USS Ronald Reagan (CVN 76) arrives at the Republic of Korea (ROK) Fleet base in Busan for a routine port visit as part of a regularly scheduled deployment. Reagan is on patrol with Carrier Strike Group 5 supporting security and stability in the Indo-Asia-Pacific region. (U.S. Navy photo by Petty Officer 3rd Class Wesley J. Breedlove/Released)