18th Destroyer Flotilla

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18th Destroyer Flotilla
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The 18th Destroyer Flotilla also known as the Eighteenth Destroyer Flotilla was a naval formation of the Royal Navy from 1939 to 1945.[1]


The 18th Destroyer Flotilla first formed in September 1939 as part of the Portsmouth Command before being disbanded in November 1939.[2] The flotilla then reformed Harwich as part of the Nore Command from June to December 1940 before being disbanded.[3] It reformed for a third time on 1 July, 1941 when it was attached to the West Africa Station until 1 August, 1942.[4] On 5 January, 1945 it was reformed once again as part of the East Indies Fleet until 4 May 1945 before being disbanded.[5]

In Command


Captain (D) 18th Destroyer Flotilla

  1. Captain Clifford Caslon, September – October 1939
  2. Captain Percy Todd, October – November 1939
  3. Captain T E Halsey, June – December 1940


  1. Mackie, Colin. (January 2020).Royal Navy Senior Appointments from 1865. Flotillas & Squadrons. pp.194-253..
  2. Watson, Dr Graham (19 September 2015). "Royal Navy Organisation in World War 2, 1939-1945". www.naval-history.net. Gordon Smith. Retrieved 15 October 2020.
  3. Watson.
  4. Watson.
  5. Watson.
  6. Mackie.p. 235.