PCU G-2 (ex-TUNA) (SS-27) commissioned USS G-2 at New York Navy Yard, New York, NY; Lt. (j.g.) R. C. Needham commanding.
USS S-37 (SS-142) decommissioned.
PCU RUNNER (SS-476) commissioned USS RUNNER (SS-476) at Portsmouth Navy Yard, Kittery, ME; Comdr. R. H. Bass commanding.
USS THRESHER (SS-200) recommissioned for use as a target in Operation Crossroads, the atomic bomb tests at Bikini Atoll. She remained at her berth while her reduced complement prepared the ship for a voyage to the Pacific. However, during the refurbishing it was decided that the ship had deteriorated beyond economical repair and work was stopped.
PCU DANIEL BOONE (SSBN-629) keel laid as DANIEL BOONE at Mare Island Naval Shipyard, Vallejo, CA.
DSV-1 (Trieste II) donated as a Museum and Memorial to Naval Undersea Museum, Keyport, WA.
USS CHEYENNE (SSN-773) made a short port visit to Apra Harbor, Guam, while on a regularly scheduled deployment.
USS DALLAS (SSN-700) got underway in support of a Special Warfare Training exercise. DALLAS carried a Dry Deck Shelter (DDS)-equipped submarine attached to her aft escape trunk. DDS is the primary supporting craft for the SEAL Delivery Vehicle (SDV).