USS O-1 (SS-62), also known as "Submarine No. 62", was the lead ship of her class of submarines of the United States Navy commissioned during World War I.
Design
The O-1-class submarines were designed to meet a Navy requirement for coastal defense boats. The submarines had a length of overall, a beam of , and a mean draft of . They displaced on the surface and submerged. The O-class submarines had a crew of 2 officers and 27 enlisted men. They had a diving depth of .
For surface running, the boats were powered by two NELSECO 6-EB-14 diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a New York Navy Yard electric motor. They could reach on the surface and underwater. On the surface, the O-class had a range of at .
The boats were armed with four 18-inch (450 mm) torpedo tubes in the bow. They carried four reloads, for a total of eight torpedoes. The O-class submarines were also armed with a single /23 caliber retractable deck gun.
Construction
thumb|left|The christening of O-1, 9 July 1918
O-1s keel was laid down on 26 March 1917, at the Portsmouth Navy Yard, in Kittery, Maine. She was launched on 9 July 1918, sponsored by Mrs. Cora Isabel Adams, and commissioned on 5 November 1918.
Service history
Commissioned just before the Armistice with Germany, O-1 operated in the East Coast waters from Cape Cod, in Massachusetts, to Key West, in Florida, after World War I.
When the US Navy adopted its hull classification system on 17 July 1920, she received the hull number SS-62.
Reclassified a second-line submarine, on 25 July 1924, and first-line, on 6 June 1928, O-1 was converted to an experimental vessel on 28 December 1930, and operated in this capacity out of the submarine base at New London, Connecticut, until decommissioning on 11 June 1931.
Fate
She was stricken from the Naval Vessel Register on 18 May 1938, and sold for scrap.