A U.S. Coast Guard Marine Safety Detachment officer inspects a Canadian tall ship's small boat in Nahant Bay, Boston, Massachusetts, June 16, 2017. The Marine Safety Detachment officers joined Customs and Border Patrol officers to conduct joint boardings of the tall ships participating in the Grande Parade of Sail for Sail Boston 2017 before they enter Boston Harbor. (U.S. Coast Guard photo by Petty Officer 3rd Class Nicole J. Groll)