GROTON, Conn. (June 28, 2021) The Los Angeles-class attack submarine USS Cheyenne (SSN 773) arrives at Naval Submarine Base New London in Groton, Conn., for a scheduled homeport shift, June 28, 2021. Cheyenne and crew, previously homeported in Pearl Harbor, Hawaii, will join the ranks of Submarine Squadron (SUBRON) 12. (U.S. Navy photo by Damage Controlman 3rd Class Christian Bianchisantiago)