220228-N-MQ631-1031 GROTON, Conn. (Feb. 28, 2022) Chief of Naval Operations (CNO) Adm. Mike Gilday departs the Virginia-class fast-attack submarine USS South Dakota (SSN 790), after a tour. Gilday and Rep. Joe Courtney, of Connecticut’s 2nd Congressional District, visited the Naval Submarine Base New London waterfront and Naval Submarine School after touring nearby General Dynamics Electric Boat Shipyard submarine construction facilities. (U.S Navy photo by Mass Communication Specialist 3rd Class Maxwell Higgins)