U.S. Customs and Border Patrol officers board the German tall ship Alexander von Humbolt II in Nahant Bay, Boston, Massachusetts on June 16, 2017. A Coast Guard 45-foot response boat crew from Station Boston transported officers from Customs and Border Patrol and Marine Safety Detachment Boston to jointly inspect the tall ships before they enter Boston Harbor for Sail Boston 2017. (U.S. Coast Guard photo by Petty Officer 3rd Class Nicole J. Groll)