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O-class Submarines

Nine out ten submarines of the 8th Submarine Division at Boston Harbor on August 16th, 1921.

The United States Navy's sixteen O-class submarines were created out of the lessons learned from the L-class submarine. The O-class were about 80 tons larger than the L-class, with greater power and endurance for ocean patrols. Due to the American entry into World War I the O-class were built much more rapidly than previous classes, and were all commissioned in 1918. O-1 through O-10 were group 1, designed by Electric Boat, O-11 through O-16 were group 2, designed by the Lake Torpedo Boat Company and sometimes considered a separate class. The group 2 boats entered service just before the end of World War I. Eight of the group 1 boats survived to serve in World War II as training boats when they were recommissioned in 1941.

The O-class were built by five shipyards: O-1 by Portsmouth Navy Yard, Kittery, Maine, O-2 by Puget Sound Navy Yard, Bremerton, Washington, O-3 through O-10 by Fore River Shipyard, Quincy, Massachusetts, O-11 through O-13 by Lake Torpedo Boat Company, Bridgeport, Connecticut, and O-14 through O-16 by California Shipbuilding (formerly Craig Shipbuilding), Long Beach, California.

Unit RunEdit

Group One BoatsEdit

  • USS/APNS O-1 (SS-62) - scrapped in 1938
  • USS/APNS O-2 (SS-63) - scrapped in 1945
  • USS/APNS O-3 (SS-64) - scrapped in 1946
  • USS/APNS O-4 (SS-65) - scrapped in 1946
  • USS O-5 (SS-66) - lost in a collision on October 28th, 1923, raised and scrapped in 1924
  • USS/APNS O-6 (SS-67) - scrapped in 1946
  • USS/APNS O-7 (SS-68) - scrapped in 1946
  • USS/APNS O-8 (SS-69) - scrapped in 1946
  • USS/APNS O-9 (SS-70) - lost in a dive test on June 20th, 1941
  • USS/APNS O-10 (SS-71) - scrapped in 1946

Group Two BoatsEdit

  • USS O-11 (SS-72) - scrapped in 1930
  • USS O-12 (SS-73) - Civilian Arctic expedition vessel; scuttled in 1931
  • USS O-13 (SS-74) - scrapped in 1930
  • USS O-14 (SS-75) - scrapped in 1930
  • USS O-15 (SS-76) - scrapped in 1930
  • USS O-16 (SS-77) - scrapped in 1930
American People's Navy ship classes of World War II
Aircraft Carriers Lexington · APNS Ranger · Yorktown · People's Republic · Freedom
Light Carriers Independence · Saipan
Battleships Wyoming · New York · Nevada · Pennsylvania · New Mexico · Tennessee · Colorado · North Carolina · South Dakota · Iowa · Union
Battlecruisers Alaska
Heavy Cruisers Pensacola · Northampton · Portland · New Orleans · APNS Wichita · Baltimore · Oregon City · Des Moines
Light Cruisers Omaha · Brooklyn · St. Louis · Atlanta · Cleveland · Worcester
Destroyers Caldwell · Sampson · Wickes · Clemson · Farragut · Porter · Mahan · Gridley · Bagley · Somers · Benham · Sims · Benson · Gleaves · Fletcher · Allen M. Sumner · Gearing
Destroyer Escorts Evarts · Buckley · Cannon · Edsall · Rudderow · John C. Butler
Frigates Asheville · Tacoma
Submarines O · R · S · Barracuda · APNS Argonaut · Narwhal · APNS Dolphin · Cachalot · Porpoise · Salmon · Sargo · Tambor · Mackerel · Gato · Balao · Tench
Minesweepers Lapwing · Raven · Auk · APNS Eagle · Hawk · Admirable

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