GROTON, Conn. (Dec. 17, 2021) Santa waves to friends and family as the Los Angeles class submarine USS San Juan (SSN 751) returns to Submarine Base New London in Groton, Conn., Dec. 17, 2021, following normal operations. San Juan is the third U.S.Navy vessel to be named San Juan and was commissioned on Aug. 6, 1988. (U.S. Navy photo by John Narewski)