150521-N-YM856-104 CARIBBEAN SEA (May 21, 2015) Musician 1st Class Brian Nefferdorf, from Philadelphia, Pa., assigned to the U.S. Fleet Forces Band ensemble, Uncharted Waters, performs for patients in a medical ward aboard the Military Sealift Command hospital ship USNS Comfort (T-AH 20) during 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 Second Class Brittney Cannady/Released)