12th Cruiser Squadron

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12th Cruiser Squadron
Ensign of the Royal Navy animated.gif
CountryFlag United Kingdom of Great Britain and Northern Ireland.gif United Kingdom
AllegianceBritish Empire
BranchNaval Ensign of the United Kingdom.svg Royal Navy
In CommandRear/Vice/Admiral Commanding, 12th Cruiser Squadron
FirstRear-Admiral Rosslyn E. Wemyss
LastRear-Admiral Cecil H. J. Harcourt

The 12th Cruiser Squadron [1] also known as Cruiser Force G [2] was a formation of cruisers of the British Royal Navy from 1914 to 1915 and then again from 1939 to 1943.

It was commanded by the Rear-Admiral or Vice-Admiral Commanding, 12th Cruiser Squadron.


The squadron was first formed 1 August 1914 and was initially assigned to the Channel Fleet as Cruiser Force G patrolling the western Channel until February 1915.[3] The squadron was then reassigned to the Grand Fleet where it remained before being disbanded in February 1915.[4]

The squadron reformed in August 1939 initially part of the Northern Patrol of the Home Fleet based at Scapa Flow but was re-designated 11th Cruiser Squadron in October 1939.

It re-formed as part of the Mediterranean Fleet in July 1942. It was reassigned from 29 January 1943 to 2 July 1943 when it became a component of Force H and again from 1 October 1943 to December 1943.[5]

In Command

  1. Rear-Admiral Rosslyn E. Wemyss, 1 August 1914 – 15 February 1915
  2. Vice-Admiral Sir Max K. Horton, August - 9 September 1939
  3. Rear-Admiral W. Frederic Wake-Walker, 9 September 1939 – 28 October 1939
  4. Rear-Admiral Cecil H. J. Harcourt, July, 1942 – December, 1943 (also FO 2i/c Force H)


  1. Friedman, Norman (2012). British Cruisers of the Victorian Era. Barnsley, England: Seaforth Publishing. p. 240. ISBN 9781473853126.
  2. Elleman, Bruce A.; Paine, S. C. M. (2007). "9: World War One: The Blockade". Naval Blockades and Seapower: Strategies and Counter-Strategies, 1805–2005. Oxford, England: Routledge. ISBN 9781134257287.
  3. Watson, Dr Graham. "Royal Navy Organisation and Ship Deployment, Inter-War Years 1914–1918: The Grand Fleet". www.naval-history.net. Gordon Smith, 27 October 2015. Retrieved 1 September 2020.
  4. Jellicoe, Viscount (2014). The Grand Fleet (1914–1916): Its Creation, Development and Work. BoD – Books on Demand. p. 11. ISBN 9783954274338.
  5. Watson, Dr Graham. "Royal Navy Organization in World War 2, 1939–1945:Squadrons, Flotillas and other formations which served in Mediterranean". www.naval-history.net. Gordon Smith, 19 September 2015. Retrieved 1 September 2020.