171031-N-PG340-154 SAN JUAN, Puerto Rico (Oct. 31, 2017) Civilian mariners conduct boat operations during routine training aboard the U.S. Navy hospital ship USNS Comfort (T-AH 20). Comfort is moored pierside in San Juan to provide humanitarian relief. 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 2nd Class Stephane Belcher/Released)