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USS Clamagore (SS-343) facts for kids

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USS Clamagore;0834309.jpg
USS Clamagore (SS-343), some time after her GUPPY conversion
Career (United States)
Name: Clamagore
Namesake: Clamagore
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
Badge: Ss343 patch.jpg
Quick facts for kids
General characteristics (World War II)
Class and type: Balao-class diesel-electric submarine
Displacement:
  • 1,526 tons (1,550 t) surfaced
  • 2,424 tons (2,460 t) submerged
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
Propulsion:
Speed:
  • 20.25 knots (37.50 km/h; 23.30 mph) surfaced
  • 8.75 knots (16.21 km/h; 10.07 mph) submerged
Range: 11,000 nautical miles (20,000 km; 13,000 mi) surfaced at 10 knots (19 km/h; 12 mph)
Endurance:
  • 48 hours at 2 knots (3.7 km/h; 2.3 mph) submerged
  • 75 days on patrol
Test depth: 400 ft (122 m)
Complement: 10 officers, 70–71 enlisted
Armament:
  • 10 × 21-inch (533 mm) torpedo tubes
    • 6 forward, 4 aft
    • 24 torpedoes
  • 1 × 5-inch (127 mm) / 25 caliber deck gun
  • Bofors 40 mm and Oerlikon 20 mm cannon
General characteristics (Guppy II)
Displacement:
  • 1,870 tons (1,900 t) surfaced
  • 2,440 tons (2,480 t) submerged
Length: 307 ft (93.6 m)
Beam: 27 ft 4 in (8.3 m)
Draft: 17 ft (5.2 m)
Propulsion:
  • Snorkel added
  • Batteries upgraded to GUPPY type, capacity expanded to 504 cells (1 × 184 cell, 1 × 68 cell, and 2 × 126 cell batteries)
  • 4 × high-speed electric motors replaced with 2 × low-speed direct drive electric motors
Speed:
  • Surfaced:
  • 18.0 knots (33.3 km/h; 20.7 mph) maximum
  • 13.5 knots (25.0 km/h; 15.5 mph) cruising
  • Submerged:
  • 16.0 knots (29.6 km/h; 18.4 mph) for 12 hour
  • 9.0 knots (16.7 km/h; 10.4 mph) snorkeling
  • 3.5 knots (6.5 km/h; 4.0 mph) cruising
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
Complement:
  • 9–10 officers
  • 5 petty officers
  • 70 enlisted men
Sensors and
processing systems:
  • WFA active sonar
  • JT passive sonar
  • Mk 106 torpedo fire control system
Armament:
  • 10 × 21 in (533 mm) torpedo tubes
  • (6 forward, 4 aft)
  • all guns removed
General characteristics (Guppy III)
Displacement:
  • 1,975 tons (2,007 t) surfaced
  • 2,450 tons (2,489 t) submerged
Length: 321 ft (98 m)
Speed:
  • Surfaced:
  • 17.2 knots (31.9 km/h; 19.8 mph) maximum
  • 12.2 knots (22.6 km/h; 14.0 mph) cruising
  • Submerged:
  • 14.5 knots (26.9 km/h; 16.7 mph) for 12 hour
  • 6.2 knots (11.5 km/h; 7.1 mph) snorkeling
  • 3.7 knots (6.9 km/h; 4.3 mph) cruising
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
Complement:
  • 8–10 officers
  • 5 petty officers
  • 70-80 enlisted men
Sensors and
processing systems:
  • BQS-4 active search sonar
  • BQR-2B passive search sonar
  • BQG-4 passive attack sonar
USS Clamagore (Submarine)
Location Patriot's Point, Mt. Pleasant, South Carolina
Built 1963
Architect Electric Boat Works
NRHP reference No. 89001229
Significant dates
Added to NRHP 29 June 1989
Designated NHL 29 June 1989

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.

Construction

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.

Operational history

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 returned to Key West 6 August 1948 and assumed local and Caribbean operations for the next eight years, except for a tour of duty in the Mediterranean from 3 February to 16 April 1953.

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

USSClamagore112403
USS Clamagore, 24 November 2003 (the three distinctive shark-fin domes are the PUFFS sonar).

Clamagore was decommissioned on 12 June 1975 and stricken on 27 June 1975 after having served in the Navy for thirty years. She was donated as a museum ship on 6 August 1979.

Clamagore arrived at Patriot's Point Naval & Maritime Museum, Charleston, South Carolina in May 1981, where she was moored as a museum ship along with aircraft carrier Yorktown and destroyer Laffey.

Clamagore was listed on the National Register of Historic Places and designated a National Historic Landmark on 29 June 1989.

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 10 January 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. In early 2020, the museum formed a plan to sink Clamagore at the Vermilion Reef site before the 2021 hurricane season.

Awards

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