161221-N-WT427-044 WATERS SURROUNDING THE KOREAN PENINSULA, Republic of Korea (Dec. 21, 2016) Republic of Korea (ROK) navy Lt. Cmdr. Kim, Bangkok, executive officer of Republic of Korea (ROK) ship Bucheon (PCC 773) gives Lt. j.g. David Dinkins, ships navigator for USS Barry (DDG 52) a tour of Bucheon during an officer exchange program Combined Edge. “Combined Edge” is a program focusing on improving combined war fighting integration between the U.S. and ROK navies by allowing U.S. Navy officers to embark on ROK navy ships. (U.S. Navy photo by Petty Officer 2nd Class Jermaine M. Ralliford)