Crewmembers aboard Coast Guard Cutter Isaac Mayo escort the USNS Comfort (T-AH 20) into the port of San Juan, Puerto Rico, Oct. 2017. The Isaac Mayo is a fast response cutter homeported in Key West, Fla., and is one of several units providing assistance to Puerto Rico following Hurricane Maria. U.S. Coast Guard photo by Petty Officer 2nd Class Matthew S. Masaschi