160517-N-XX333-002 TOULON, France (May 17, 2016) USS Springfield (SSN 761) crewmembers prepare the submarine for arrival in Toulon, France for a scheduled port visit. Springfield, a Los Angeles-class fast attack submarine, homeported in Groton, Connecticut, is conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe. (U.S. Navy photo/Released)