170721-N-BT947-778 PACIFIC OCEAN (July 21, 2017) Rear Adm. Sean Buck, commander of U.S. 4th Fleet, salutes Capt. Bill Sherrod, executive officer of the amphibious transport dock ship USS Somerset (LPD 25), during a ship visit in support of UNITAS LVIII. UNITAS is an annual, multi-national exercise that focuses on strengthening our existing regional partnerships and encourages establishing new relationships through the exchange of maritime mission-focused knowledge and expertise during multinational training operations. (U.S. Navy Photo by Mass Communication Specialist 2nd Class Jacob I. Allison/Released)