Coast Guardsmen from Port Security Unit 305 aboard a 32-foot Transportable Port Security Boat escort the Coast Guard Cutter Mohawk as the cutter enters Naval Station Guantanamo Bay, Cuba, Wednesday, July, 19, 2017. PSUs provide security to Coast Guard Cutters, Naval ships and commercial vessels entering Naval Station Guantanamo Bay. U.S. Coast Guard photo by Petty Officer 2nd Class Matthew S. Masaschi