USS Helena (SSN-725), a Los Angeles-class submarine, was the fourth ship of the United States Navy to be named for Helena, Montana. The contract to build her was awarded to the Electric Boat Division of General Dynamics Corporation in Groton, Connecticut on 19 April 1982 and her keel was laid down on 28 March 1985. She was launched on 28 June 1986 sponsored by Mrs. Jean Busey, and commissioned on 11 July 1987. She was decommissioned on 25 July 2025 at the Naval Undersea Museum in Keyport, Washington.
Side boys salute as Admiral (ADM) James B. Busey, vice chief of naval operations, escorts Linaire Wells Ritter, sponsor, across the brow of the nuclear-powered attack submarine USS - DPLA - 060242381b6f2b64ea0f5e7c905f0749
US Navy 031216-N-8601F-002 Family members greet the Los Angeles Class attack submarine USS Helena (SSN 725)
USS Helena SSN-725
US Navy 060110-N-3532C-092 The crew of the Navy's only commissioned floating dry-dock, ARCO (ARDM-5), uses mooring lines to pull the Los Angeles-class fast-attack nuclear submarine USS Helena (SSN 725)
Defense.gov News Photo 060110-N-3532C-092
US Navy 070727-N-4163T-139 Midshipmen are instructed on the proper way to don an Emergency Air Breather (EAB) aboard the Los Angeles-class attack submarine USS Helena (SSN 725)
US Navy 070727-N-4163T-062 Midshipmen 3rd Class Anthony Savaglio, Emilie Torielli, and Aaron Smith join Yeoman 3rd Class Jonathan Bong (left) on the bridge of the Los Angeles-class attack submarine USS Helena (SSN 725)
US Navy 071214-N-0555B-096 The Los Angeles-class nuclear-powered attack submarine USS Helena (SSN 725) and the San Antonio-class amphibious transport dock ship USS New Orleans (LPD 18) pass while conducting a submarine familiar