GROTON, Conn. (Sept. 1, 2021) French submarine FNS Amethyste (S605) transits the Thames River in preparation to arrive at Naval Submarine Base New London in Groton, Conn., Sept. 1, 2021. Amethyste’s scheduled good will port visit is the first international submarine visit to Groton since 2018 and allows the crew to experience cultural exchanges with their American counterparts. (U.S. Navy photo by Chief Mass Communication Specialist Joshua Karsten)