USS S-15
USS S-15 was an S-3-class, also referred to as a "Government"-type, submarine of the United States Navy.
Design
The "Government"-type had a length of overall, a beam of, and a mean draft of. They displaced on the surface and submerged. All S-class submarines had a crew of 4 officers and 34 enlisted men, when first commissioned. They had a diving depth of.For surface running, the "Government"-type built by Lake Torpedo Boat Company, were powered by two Busch-Sulzer 6M150 diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a Westinghouse Electric Corporation electric motor. They could reach on the surface and underwater.
The boats were armed with four [American 21-inch torpedo|] torpedo tubes in the bow. They carried 8 reloads, for a total of twelve torpedoes. The "Government"-type submarines were also armed with a single /50 caliber deck gun.
Construction
S-15s keel was laid down on 13 December 1917, by the Lake Torpedo Boat Company, in Bridgeport, Connecticut. She was launched on 8 March 1920, sponsored by Mrs. Margaret Lake, wife of Simon Lake, and commissioned on 15 January 1921.Service history
1921–1935
Attached to SubDiv 18, S-15 departed New London, Connecticut, on 31 May 1921, and sailed via the Panama Canal, California, the Territory of Hawaii, and Guam, to the Philippines. She arrived at Cavite, Luzon, on 1 December 1921.In 1922, she sailed from Cavite, on 11 October, visited Hong Kong, from 14 October to 28 October, and returned to Cavite, on 1 November. Sailing from Manila, on 15 May 1923, S-15 visited Shanghai, Yantai, and Qinhuangdao, before returning via Wusong and Amoy, to Cavite, on 11 September. In the summer of 1924, she again visited China, and returned to Olongapo, on 23 September.
Departing Cavite on 29 October 1924, she arrived at the Mare Island Naval Shipyard, California, on 30 December. Remaining at Mare Island, in 1925 and 1926, she operated along the West Coast, through 1927.
From February 1928, into 1935, S-15 served in the Panama Canal area, although she visited Baltimore, Maryland, from 15 May to 5 June 1933.
She departed Coco Solo on 11 January 1935, for the Philadelphia Naval Shipyard, where she decommissioned on 26 April 1935.