171002-N-MU198-023 ATLANTIC OCEAN (Oct. 1, 2017) Sailors provide medical services in a simulated man-overboard drill held aboard the hospital ship USNS Comfort (T-AH 20) as the ship sails in support of humanitarian relief operations in Puerto Rico. The Department of Defense is supporting the Federal Emergency Management Agency, the lead federal agency, in helping those affected by Hurricane Maria to minimize suffering and is one component of the overall whole-of-government response effort. (U.S. Navy photo by Mass Communication Specialist 3rd Class Danny Ray Nunez Jr./Released)