150503-N-NK134-898 CARIBBEAN SEA (May 3, 2015) TheMilitary Sealift Command fleet replenishment oiler USNS Big Horn (T-AO 198) conducts a replenishment-at-sea with the hospital ship USNS Comfort (T-AH 20) as it transits to Jamaica for Continuing Promise 2015. Continuing Promise is a U.S. Southern Command-sponsored and U.S. Naval Forces Southern Command/U.S. 4th Fleet-conducted deployment to conduct civil-military operations including humanitarian-civil assistance, subject matter expert exchanges, medical, dental, veterinary and engineering support and disaster response to partner nations and to show U.S. support and commitment to Central and South America and the Caribbean. (U.S. Navy photo by Mass Communication Specialist 2nd Class Derek Paumen/Released)