List of ships of World War II (O)

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Ships of World War II
  • aircraft carriers
  • battleships
  • battlecruisers
  • cruisers
  • coastal ships
  • monitors
  • destroyers
  • torpedo boats
  • frigates
  • corvettes
  • minor warships
  • mine warfare
  • amphibious warfare
  • submarines
  • auxiliaries
  • classes
    		•

    The List of ships of the Second World War contains major military vessels of the war, arranged alphabetically and by type. The list includes armed vessels that served during the war and in the immediate aftermath, inclusive of localized ongoing combat operations, garrison surrenders, post-surrender occupation, colony re-occupation, troop and prisoner repatriation, to the end of 1945. For smaller vessels, see also list of World War II ships of less than 1000 tons. Some uncompleted Axis ships are included, out of historic interest. Ships are designated to the country under which they operated for the longest period of the Second World War, regardless of where they were built or previous service history. Submarines show submerged displacement.[1][2][3][4]

    Click on headers to sort column alphabetically.

    List of ships of World War II (O)
    Ship Country or organization Class Type Displacement (tons) First commissioned Fate
    O'Brien  United States Navy Sims destroyer 1,570 2 March 1940 sunk 19 October 1942
    Oakland Atlanta light cruiser 6,000 17 July 1943 decommissioned 1949, scrapped 1959
    Oakley  Royal Navy Hunt destroyer 1,050 7 May 1942
    Oakville  Royal Canadian Navy Flower corvette 925 18 November 1941 paid off 20 July 1945
    Obdurate  Royal Navy O minelayer destroyer 1,540 3 September 1942 paid off 1948, scrapped 1965
    Obedient O minelayer destroyer 1,540 30 October 1942 paid off 1957, scrapped 1962
    Oberon Odin submarine 1,922 24 August 1927 paid off 5 July 1944
    Ocean Colossus aircraft carrier 13,200 8 August 1945 scrapped May 1962
    Odin Odin submarine 2,038 21 December 1929 Sunk 14 June 1940
    Offa O destroyer 1,540 20 September 1941 scrapped 1959
    Ōi  Imperial Japanese Navy Kuma light cruiser 5,100 10 October 1921 sunk by USS Flasher 19 July 1944
    Okinoshima minelayer 4,290 30 September 1936 sunk 12 May 1942
    Oklahoma  United States Navy Nevada battleship 29,000 2 May 1916 sunk 7 December 1941; raised and sunk under tow 1947
    Oklahoma City Cleveland light cruiser 11,800 22 December 1944 converted to missile cruiser 1960, sunk as target 1999
    Oktyabrskaya Revolutsiya  Soviet Navy Gangut battleship 23,000 3 June 1909 scrapped 1959
    Oldenburg  Kriegsmarine minelayer 1,141 13 September 1943 former water tanker Garigiliano captured from Italy[5]
    Olympus  Royal Navy Odin submarine 2,038 14 June 1930 sunk 8 May 1942
    Omaha  United States Navy Omaha light cruiser 7,050 24 February 1923 Scrapped February 1946
    Ommaney Bay Casablanca escort carrier 7,800 11 February 1944 scuttled 4 January 1945
    Onslaught  Royal Navy O destroyer 1,540 19 June 1942 scrapped 1977
    Onslow O destroyer 1,540 8 October 1941 paid off April 1947
    Ontario  Royal Canadian Navy Minotaur light cruiser 8,800 July 1944 laid up 15 October 1958
    Opportune  Royal Navy O minelayer destroyer 1,540 14 August 1942 paid off 1954, scrapped 1955
    Orchis Flower corvette 925 29 November 1940 21 August 1944
    Ordronaux  United States Navy Benson destroyer 1,620 13 February 1943 decommissioned 1947, scrapped 1973
    Orillia  Royal Canadian Navy Flower corvette 925 25 November 1940 paid off 2 July 1945
    Orella  Chile Serrano destroyer 1,090
    Oribi  Royal Navy O destroyer 1,540 5 July 1941 paid off 1 January 1946
    Orion Leander light cruiser 7,000 18 January 1934 scrapped 1949
    Orion  Kriegsmarine auxiliary cruiser 15,700 9 December 1939 sunk 4 May 1945
    Orkney  Royal Canadian Navy River frigate 1,445 18 April 1944 paid off 22 January 1946
    Orpheus  Royal Navy Odin submarine 2,038 23 September 1930 Sunk 19 June 1940
    Orwell O minelayer destroyer 1,540 17 October 1942
    Orzeł  Poland Orzeł submarine 1,100 2 February 1939 sunk 11 June 1940
    Oscar II  Swedish Navy Oscar II coastal defence ship paid off 1950, scrapped 1974
    Osiris  Royal Navy Odin submarine 2,038 25 January 1929 paid off 7 March 1945
    Oswald Odin submarine 2,038 1 May 1929 Sunk 1 August 1940
    Ottawa  Royal Canadian Navy C destroyer 1,375 15 June 1938 sunk 14 September 1942 by U-91
    Otus  Royal Navy Odin submarine 2,038 5 July 1929 paid off March 1946
    Otway Odin submarine 1,922 15 June 1927 paid off 1945
    Ouragan  French Navy
     Free French Naval Forces
     Poland     		Bourrasque destroyer 1,319 19 January 1927 to Poland 17 July 1940, to Free French 30 April 1941, scrapped 7 April 1949
    Outremont  Royal Canadian Navy River frigate 1,445 27 November 1943 paid off 7 June 1965
    Owen Sound Flower modified corvette 1,015 17 November 1943 19 July 1945
    Oxley  Royal Navy Odin submarine 1,922 1 April 1927 sunk by friendly fire 10 September 1939
    Oxlip Flower corvette 925 28 December 1941
    Ōyodo  Imperial Japanese Navy Ōyodo light cruiser 11,433 28 February 1943 sunk 25 July 1945

    References[edit]

    1. ^ "Hulls Listed by Name". Naval Vessel Register. Archived from the original on 30 June 2007.
    2. ^ "US Navy Inactive Classification Symbols". Naval Vessel Register. NAVSEA Shipbuilding Support Office. Archived from the original on 18 January 2012. Retrieved 21 April 2015.
    3. ^ "Index". Dictionary of American Naval Fighting Ships.
    4. ^ "Royal Navy operations in the Second World War". The National Archives. Retrieved 29 March 2016.
    5. ^ "Oldenburg (Minelayer 1934-1952)". German-navy.de.

    Bibliography[edit]

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