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| USS Sperry (AS-12) | |
|---|---|
| Ship name | USS Sperry (AS-12) |
| Ship country | United States |
| Ship builder | Mare Island Navy Yard |
| Ship launched | 10 June 1941 |
| Ship commissioned | 31 January 1942 |
| Ship decommissioned | 21 December 1982 |
| Ship struck | 21 December 1982 |
| Ship displacement | 9,600 tons (full) |
| Ship length | 582 ft |
| Ship beam | 78 ft |
| Ship draft | 27 ft |
| Ship speed | 16.5 kn |
| Ship complement | 1,200 |
| Ship armament | 2 × 5 in/38 cal dual-purpose guns, 4 × 40 mm AA, 8 × 20 mm AA |
| Ship notes | Lead ship of her class of submarine tenders |
USS Sperry (AS-12)
USS Sperry (AS-12) was a submarine tender commissioned by the United States Navy during World War II to support fleet submarine operations. Built at Mare Island Naval Shipyard and named for Elmer Sperry, the vessel provided repair, logistical, and medical support to submarines across the Pacific Ocean and later during the Cold War. Sperry served at major bases and forward anchorages, linking operational submarines with maintenance facilities throughout the mid-20th century.
Sperry was laid down at Mare Island Naval Shipyard in Vallejo, California as part of the Navy's expansion preceding Pearl Harbor, reflecting prewar planning influenced by leaders such as Frank Knox and operational studies by the Bureau of Ships. Launched on 10 June 1941 with sponsorship tied to families of inventors like Elmer Ambrose Sperry, she was commissioned on 31 January 1942 under a command chain that traced to admirals assigned to the United States Pacific Fleet, including ties to staff officers who later served with Admiral Chester Nimitz and Admiral Ernest King.
As a submarine tender, Sperry embodied concepts developed by the United States Navy Bureau of Construction and Repair and the Naval Shipbuilding Program to support long-range submarine patrols similar to those executed by boats of the Submarine Force, United States Pacific Fleet and the Submarine Force, United States Atlantic Fleet. She carried specialized workshops reflecting technologies advanced by companies such as General Electric, Westinghouse Electric Corporation, and Bethlehem Steel, enabling overhauls of diesel engines made by Fairbanks-Morse and electrical gear produced by Edison Storage Battery Company. Her medical and dental facilities were modeled after standards from the Bureau of Medicine and Surgery and staffed by personnel trained at Naval Hospital San Diego and Naval Medical Center Portsmouth. To protect forward anchorages, Sperry mounted dual-purpose 5"/38 caliber gun mounts similar to those used on Destroyer tender classes and antiaircraft batteries produced under procurement contracts with United States Ordnance Department contractors.
Following commissioning, Sperry steamed to Pearl Harbor, where she integrated into logistics operations coordinated with the Service Force, United States Pacific Fleet, supporting submarine squadrons that took part in campaigns including the Gilbert and Marshall Islands campaign, the Marianas campaign, and patrols during the Battle of the Philippine Sea. Operating from advanced bases such as Pearl Harbor, Midway Atoll, Canton Island, and later anchorages at Majuro and Guadalcanal, Sperry serviced classes of submarines including Gato-class submarine, Balao-class submarine, and Tambor-class submarine. Her crews worked alongside notable submarine commanders and units associated with figures like Commander Dudley "Mush" Morton and flotillas that reported to officers such as Rear Admiral Charles Lockwood. Sperry's repair work supported patrols that interdicted Japanese shipping linked to operations around Truk Lagoon, Rabaul, and the Dutch East Indies, contributing indirectly to victories tied to the Island hopping campaign and strategic interdiction that benefited forces under General Douglas MacArthur and Admiral William Halsey Jr..
After Japan's surrender, Sperry shifted to peacetime roles including support for submarine units involved in the early Cold War and operations with the United States Atlantic Fleet during deployments to Norfolk, Virginia and forward stations in the Mediterranean Sea that coordinated with the United States Sixth Fleet. She underwent modernizations influenced by NAVSEA and systems upgrades reflecting nuclear-era requirements, servicing submarines associated with Submarine Force, United States Atlantic Fleet and nuclear-powered classes such as Skipjack-class submarine and Sturgeon-class submarine in their early careers. Sperry participated in joint exercises alongside NATO partners including units from United Kingdom, France, Italy, and Canada, contributing logistical support during crises involving hotspots referenced to the Cuban Missile Crisis era posture and patrols tied to Soviet Navy submarine movements. Periodic overhauls occurred at shipyards like Norfolk Naval Shipyard and Charleston Naval Shipyard, integrating improvements from contractors such as General Dynamics and Electric Boat.
In the face of changing naval logistics doctrine and force reductions, Sperry was decommissioned on 21 December 1982 and struck from the Naval Vessel Register the same day. She transferred through disposal processes overseen by the Defense Reutilization and Marketing Service and was subsequently sold for scrapping to private companies operating demolition yards, concluding a service life that had spanned from the Roosevelt administration through the administrations of Reagan and predecessors. Portions of her equipment and artifacts were conserved by museums and organizations such as the Submarine Force Library and Museum and naval historical societies linked to Navy League of the United States chapters.
During her service, Sperry's crew received campaign recognition tied to American Campaign Medal, Asiatic-Pacific Campaign Medal, and World War II Victory Medal entitlements administered by the Department of the Navy. Postwar commendations and unit citations connected to operations supporting Cold War deterrence were recorded in ship logs archived by the Naval History and Heritage Command, and individual crew members were eligible for awards administered by the Bureau of Personnel including service medals and ribbons commemorating participation in operations related to NATO and Atlantic deployments.
Category:Submarine tenders of the United States Navy Category:Ships built in Vallejo, California Category:1941 ships