Original sentence: 11 July 1945.14 February 1917.14 feet 5 inches.14 knots surfaced, 10.5 knots submerged.16 December 1917.172 feet 4 inches.18 feet.2 July 1945.3 March 1916.4 July 1918.48px|USN Jack.520.6 tons surfaced, 629 tons submerged.General characteristics.In 1919, O-7 reported to the newly established submarine school at New London, Connecticut, to train there for the next decade.In 1924, she went to Coco Solo for maneuvers and was reclassified a second line submarine 25 July 1924.Laid down:.O-7 was decommissioned 2 July 1945; was struck from the Naval Vessel Register on 11 July 1945; and sold to North American Smelting Company of Philadelphia 22 January 1946.Returning to New London, she reverted to first line 6 June 1928.She sailed to Philadelphia, Pennsylvania, on 23 February 1931 and decommissioned there 1 July 1931.one three-inch/50-caliber (76mm/50) gun; four 18-inch (457mm) torpedo tubes, eight torpedoes.sold for scrap 22 January 1946.two officers, 27 men
Edited sentence: In 1919, O-7 reported to the newly established Submarine School at New London, Connecticut, to train there for the next decade.In 1924, she went to Coco Solo for maneuvers and was reclassified a second line submarine on 25 July 1924.O-7 was decommissioned on 2 July 1945; was struck from the Naval Vessel Register on 11 July 1945; and sold to North American Smelting Company of Philadelphia on 22 January 1946.Returning to New London, she reverted to first line on 6 June 1928.She sailed to Philadelphia, Pennsylvania, on 23 February 1931 and decommissioned there on 1 July 1931