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USS Canopus (AS-9)

USS Canopus off Shanghai, China, prior to World War II.
USS Canopus (AS-9) off Shanghai, China, prior to World War II.
History
Name: USS Canopus
Namesake: Canopus
Builder: New York Shipbuilding, Camden, New Jersey
Launched: 1919
Acquired: 22 November 1921
Commissioned: 24 January 1922
Honors and
awards:
1 battle star (World War II)
Fate: Scuttled, 10 April 1942
General characteristics
Type: Submarine tender
Displacement: 5,975 long tons (6,071 t)
Length: 373 ft 8 in (113.89 m)
Beam: 51 ft 6 in (15.70 m)
Draft: 16 ft 4 in (4.98 m)
Speed: 13 knots (24 km/h; 15 mph)
Complement: 314
Armament:
  • 2 × 5 in (130 mm) guns
  • 4 × 3 in (76 mm) guns

USS Canopus (AS-9) was a submarine tender in the United States Navy, named for the star Canopus.

Canopus was launched in 1919 by New York Shipbuilding Company, Camden, New Jersey, as the passenger liner SS Santa Leonora for W. R. Grace and Company, but taken over by the Navy upon completion in July 1919 and placed in commission at that time as USS Santa Leonora. She was briefly employed as a trans-Atlantic troop transport before being decommissioned and transferred to the U.S. Army in September 1919.

The ship was reacquired by the Navy from the Shipping Board on 22 November 1921. The ship was converted to a submarine tender, and commissioned at Boston on 24 January 1922, Commander A. S. Wadsworth in command.

Canopus reported to Submarine Force, Atlantic Fleet, and remained at Boston until 9 November 1922, when she sailed for further fitting out at Coco Solo, Canal Zone, and San Pedro, California, her base as tender to the submarines of Division 9 until 17 July 1923.

Sailing to Pearl Harbor, Canopus tended Submarine Division 17 of the Battle Force with whom she sailed for permanent duty with the Asiatic Fleet in September 1924. Canopus with her squadron of submarines arrived in the Philippines on 4 November 1924. Canopus began her regular schedule of services in Manila Bay, and each summer based with the fleet at Tsingtao, China, with occasional training cruises to various Chinese and Japanese ports, and to the British and French colonies. Between 1927 and 1931, the tender was flagship of submarine divisions, Asiatic Fleet, and later was attached to Submarine Division 10, and was flagship of Submarine Squadron 5.


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