USS Clamagore (SS-343)
USS Clamagore (SS-343) is a Balao-class submarine, presently a museum ship at the Patriot's Point Naval & Maritime Museum outside Charleston, South Carolina. Built in 1945 for the United States Navy, she was still in training when World War II ended. She was named for the clamagore. A National Historic Landmark, she is the only known surviving example of a GUPPY type submarine.
USS Clamagore (SS-343), some time after her GUPPY conversion
|Builder:||Electric Boat Company, Groton, Connecticut|
|Laid down:||16 March 1944|
|Launched:||25 February 1945|
|Sponsored by:||Miss M. J. Jacobs|
|Commissioned:||28 June 1945|
|Decommissioned:||12 June 1973|
|Struck:||27 June 1975|
|Fate:||Scheduled to be sunk as an artificial reef by 2021|
|Status:||Museum ship at Patriot's Point Naval & Maritime Museum, Charleston, South Carolina since 1981|
|General characteristics (World War II)|
|Class and type:||Balao-class diesel-electric submarine|
|Length:||311 ft 9 in (95.0 m)|
|Beam:||27 ft 3 in (8.3 m)|
|Draft:||16 ft 10 in (5.1 m) maximum|
|Range:||11,000 nautical miles (20,000 km; 13,000 mi) surfaced at 10 knots (19 km/h; 12 mph)|
|Test depth:||400 ft (122 m)|
|Complement:||10 officers, 70–71 enlisted|
|General characteristics (Guppy II)|
|Length:||307 ft (93.6 m)|
|Beam:||27 ft 4 in (8.3 m)|
|Draft:||17 ft (5.2 m)|
|Range:||15,000 nautical miles (28,000 km; 17,000 mi) surfaced at 11 knots (20 km/h; 13 mph)|
|Endurance:||48 hours at 4 knots (7.4 km/h; 4.6 mph) submerged|
|Sensors and |
|General characteristics (Guppy III)|
|Length:||321 ft (98 m)|
|Range:||15,900 nautical miles (29,400 km; 18,300 mi) surfaced at 8.5 knots (15.7 km/h; 9.8 mph)|
|Endurance:||36 hours at 3 knots (5.6 km/h; 3.5 mph) submerged|
|Sensors and |
USS Clamagore (Submarine)
|Location||Patriot's Point, Mt. Pleasant, South Carolina|
|Architect||Electric Boat Works|
|NRHP reference #||89001229|
|Added to NRHP||29 June 1989|
|Designated NHL||29 June 1989|
Clamagore was built by Electric Boat Co. in Groton, Connecticut near the end of World War II. She was launched on 25 February 1945 and sponsored by Miss Mary Jane Jacobs, daughter of Vice Admiral Randall Jacobs and commissioned on 28 June 1945, with Commander S.C. Loomis, Jr., taking command.
Clamagore was first assigned to Key West, Florida, and reported there on 5 September 1945. She operated off Key West with various fleet units and with the Fleet Sonar School, voyaging on occasion to Cuba and the Virgin Islands until 5 December 1947, when she entered Philadelphia Naval Shipyard for GUPPY II modernization and installation of snorkel.
Clamagore called at New London, Connecticut and Newport, Rhode Island early in 1957, returning to Key West 13 March. Between 23 September and 7 December she took part in NATO exercises in the North Atlantic, calling at Portsmouth, England, and Naval Station Argentia, Newfoundland. On 29 June 1959, she arrived at Charleston, her new home port, and after a period of coastwise operations, sailed 5 April 1960 to join the 6th Fleet in the Mediterranean for a tour of duty which continued until July, when the submarine returned to Charleston. For the remainder of 1960 Clamagore operated off the east coast.
In 1962, Clamagore became one of only nine boats to undergo the GUPPY III conversion. She had a 15-foot (4.6 m) hull extension added forward of the control room, a plastic sail and the BQG-4 PUFFS passive ranging sonar, which included the three sharkfin sensors on her deck.
Clamagore finished her GUPPY III conversion in February 1963, and was transferred to Submarine Squadron 2 (SUBRON2) in Groton, Connecticut.
Post operational history
According to the South Carolina Department of Archives and History, Clamagore "is now the only surviving GUPPY type III submarine in the United States. She represents the continued adaptation and use of war-built diesel submarines by the Navy for the first two decades after the war." The GUPPY conversion submarines constituted the bulk of the nation's submarine force through the mid-1960s.
On January 10, 2017 the Palm Beach County Commissioners voted unanimously to approve funds for the vessel to be sunk as an artificial reef. On 16 April 2019 a group of retired submariners sued the State of South Carolina to save the Clamagore.
- 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.
- 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 978-0-313-26202-9.
- U.S. Submarines Through 1945 p. 261
- U.S. Submarines Through 1945 pp. 305–311
- U.S. Submarines Through 1945 pp. 305-311
- Friedman, Norman (1994). U.S. Submarines Since 1945: An Illustrated Design History. Annapolis, Maryland: United States Naval Institute. pp. 11–43. ISBN 1-55750-260-9.
- U.S. Submarines Since 1945 pp. 242
- "National Register Information System". National Register of Historic Places. National Park Service. 23 January 2007.
- "CLAMAGORE, USS (Submarine)". National Historic Landmark summary listing. National Park Service. Archived from the original on 23 October 2007. Retrieved 23 March 2008.
Delgado, James P. (28 December 1988). "National Register of Historic Places Registration: USS Clamagore (SS-343) / Clamagore" (pdf). National Park Service. Retrieved 22 June 2009. and
Delgado, James P. (28 December 1988). "Accompanying two photos, exterior, from 1960 and 1988" (pdf). National Park Service. Retrieved 22 June 2009.
- "Clamagore". Dictionary of American Naval Fighting Ships. United States Navy. Retrieved 23 March 2008.
- "USS Clamagore (SS-343)". Archived from the original on 5 September 2006. Retrieved 27 August 2006.
- "Ships at Patriots Point – Events and History". Patriots Point Development Authority. Retrieved 24 October 2011.
- "U.S.S. Clamagore, Charleston County (Patriot's Point, Mount Pleasant vicinity)". National Register Properties in South Carolina listing. South Carolina Department of Archives and History. Retrieved 23 March 2008.
- Kleinberg, Eliot (10 January 2017). "Palm Beach County OKs $1 million for sinking sub as artificial reef". Palm Beach Post.
- Werner, Ben. "Submariners are Suing South Carolina to Save Cold War-Era Attack Boat". USNI News. U.S. Naval Institute. Retrieved 27 June 2019.
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