on 24 August 2005 to strike New London from the list of possible closures, thus allowing the base to remain open. Garrison Current units stationed at NSBNL include: Naval Submarine School Submarine Learning Centre Naval Branch Health Clinic Naval Submarine Medical Research Laboratory Naval Undersea Medical Institute Navy Information Operations Detachment Commander Submarine Group 2 Submarine Squadron 4 Los Angeles-class submarines USS Hartford (SSN-768) Virginia-class submarines USS Virginia (SSN-774) USS New Mexico (SSN-779) USS California (SSN-781) USS Minnesota (SSN-783) USS North Dakota (SSN-784) USS Colorado (SSN-788) USS Indiana (SSN-789) USS South Dakota (SSN-790) USS Delaware (SSN-791) – Commissioned 4 April 2020 USS Vermont (SSN-792) – Commissioned 18 April 2020 Submarine Development Squadron 12 Los Angeles-class submarines USS Providence (SSN-719) USS San Juan (SSN-751) USS Toledo (SSN-769) See also Atlantic Reserve Fleet, New London Submarine Force Library and Museum Naval Submarine Medical Research Laboratory United States Navy submarine bases References External links NSB New London website Militarynewcomers Naval Vessel Register U.S. Navy Submarine Force Museum — Official home of USS Nautilus (SSN-571) Navy Basic Enlisted Submarine School New London Buildings and structures in Groton, Connecticut Historic American Engineering Record in Connecticut Military installations in Connecticut Military Superfund sites Buildings and structures in New London County, Connecticut Superfund sites in Connecticut