150401-N-KG407-105 NORFOLK (April 1, 2015) Sailors and civil service mariners aboard the Military Sealift Command hospital ship USNS Comfort (T-AH 20) man the rails as it departs Norfolk, Va., for Continuing Promise 2015. Continuing Promise is a series of humanitarian exercises conducted under the direction of U.S. Southern Command to provide medical, dental and veterinary aid to people in the Caribbean, Central and South America. (U.S. Navy photo by Mass Communication Specialist Seaman Kameren Guy Hodnett/Released)