200423-N-ME396-1042 GROTON, Conn. (April 23, 2020) The Los Angeles-class attack submarine USS Hartford (SSN 768) is guided to pier at the submarine�s homeport of Naval Submarine Base (SUBASE) New London by base-assigned tugboats. Hartford returned to SUBASE New London after regularly scheduled operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Tristan B. Lotz/Released)