USS Sablefish (SS-303)
|Builder:||Cramp Shipbuilding Company, Philadelphia, Pennsylvania|
|Laid down:||5 June 1943|
|Launched:||4 June 1944|
|Commissioned:||18 December 1945|
|Decommissioned:||1 November 1969|
|Struck:||1 November 1969|
|Fate:||Sold for scrap, 29 July 1971|
|Class and type:||Balao class diesel-electric submarine|
|Displacement:||1,526 tons (1,550 t) surfaced
2,424 tons (2,463 t) submerged
|Length:||311 ft 8 in (95.00 m)|
|Beam:||27 ft 3 in (8.31 m)|
|Draft:||16 ft 10 in (5.13 m) maximum|
|Propulsion:||4 × Fairbanks-Morse Model 38D8-1⁄8 9-cylinder opposed-piston diesel engines driving electrical generators
|Speed:||20.25 knots (38 km/h) surfaced
8.75 knots (16 km/h) submerged
|Range:||11,000 nautical miles (20,000 km) surfaced at 10 knots (19 km/h)|
|Endurance:||48 hours at 2 knots (3.7 km/h) submerged
75 days on patrol
|Test depth:||400 ft (120 m)|
|Complement:||10 officers, 70–71 enlisted|
|Armament:||10 × 21-inch (533 mm) torpedo tubes
(six forward, four aft)
1 × 5-inch (127 mm) / 25 caliber deck gun
Bofors 40 mm and Oerlikon 20 mm cannon
USS Sablefish (SS/AGSS-303), a Balao-class submarine, was a ship of the United States Navy named for the sablefish, a large, dark fish found along North America's Pacific coast from California to Alaska.
Sablefish (SS-303) was laid down on 5 June 1943 by Cramp Shipbuilding Company, Philadelphia; launched on 4 June 1944; sponsored by Mrs. E. W. Burrough; and commissioned at the Philadelphia Navy Yard on 18 December 1945, Comdr. Richard Henry Crane in command.
Following a shakedown cruise from New London, Conn., to Balboa, Canal Zone, the new submarine conducted type training in the Panama area until mid-May 1946. She then returned to her home port, New London, and spent the remainder of the year supporting ASW exercises off the east coast, participating in fleet exercises off Bermuda, and making a three-week cruise off Greenland.
Her duty in 1946 established a pattern for her operations during much of her subsequent career. Highlights of her service for the next few years were: testing a new type of submarine escape buoy in January 1948, and again in September of that year; participating in ceremonies at Havana, Cuba, on 14 February 1948, the 50th anniversary of the sinking of the battleship Maine; conversion to a Fleet Snorkel submarine during the first half of 1951; and a starring role in one of Edward R. Murrow's “See It Now” television shows. 
On 15 July 1952, the submarine broadened her experience by departing New London and sailing to the Mediterranean Sea for her first deployment with the 6th Fleet. After exercises with other United States warships and vessels of the navies of NATO allies during the rest of the summer, Sablefish returned to New London in October. Thereafter, she made six more deployments to the Mediterranean.
In June 1959, she was one of the Navy's representatives at the opening of the St. Lawrence Seaway; and she operated in the Great Lakes until mid-August. A second cruise up the St. Lawrence returned her to the Great Lakes in 1961.
In May 1967, Sablefish again headed east across the Atlantic; but this time, instead of transiting the Straits of Gibraltar for service in the 6th Fleet, she visited ports in the British Isles and along the Atlantic coast in France, Germany, Denmark, and Sweden. On her homeward voyage, she also touched at Iceland.
The ship began her last Mediterranean deployment in the fall of 1968 and returned to her home port on 1 February 1969. On 30 June 1969, while operating out of New London, she was reclassified as an auxiliary submarine and redesignated AGSS-303. She was decommissioned there on 1 November 1969 and struck from the Navy list the same day. She was subsequently stripped and sold for scrap on 29 July 1971.
- Friedman, Norman (1995). U.S. Submarines Through 1945: An Illustrated Design History. Annapolis, Maryland: United States Naval Institute. pp. 285–304. ISBN 1-55750-263-3.
- Bauer, K. Jack; Roberts, Stephen S. (1991). Register of Ships of the U.S. Navy, 1775-1990: Major Combatants. Westport, Connecticut: Greenwood Press. pp. 275–280. ISBN 0-313-26202-0.
- U.S. Submarines Through 1945 pp. 261–263
- U.S. Submarines Through 1945 pp. 305–311
- "These Roving TV Men ..." Popular Mechanics, July 1952, pp. 65-69/247, see p. 67.
- Photo gallery of Sablefish at NavSource Naval History