21st Destroyer Flotilla

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21st Destroyer Flotilla (21DF)
Ensign of the Royal Navy animated.gif
Active1918-1919, 1935-1936, 1939-1945
AllegianceFlag United Kingdom of Great Britain and Northern Ireland.gif United Kingdom
BranchNaval Ensign of the United Kingdom from 1801.png Royal Navy
SizeFlotilla
Commanders
FirstCaptain Harold Ernest Sulivan
LastCaptain William G. Davis

The 21st Destroyer Flotilla also known as the Twenty First Destroyer Flotilla was a naval formation of the Royal Navy from 1918 to 1919, then from 1935 to 1936 and again from 1939 to 1945.[1]

History

The flotilla was first formed in during World War One in November, 1918.[2] In December 1918 it was assigned to the Grand Fleet in Rosyth until and March 1919 when it was disbanded.[3] The second formation occurred in September 1935 using ships that were mainly in reserve and was assigned to the Home Fleet until December 1936, when it was disbanded.[4] It reformed for the third time in May 1939 following a renaming of the 8th Destroyer Flotilla and was assigned to the China Station.[5] The flotilla was disbanded in September 1939 and reformed for a fourth time in October 1939 but was now assigned to the Mediterranean Fleet until December 1939.[6]

In Command

Captain (D) 21st Destroyer Flotilla

The commanding officer of the 21st Destroyer Flotilla held the title of Captain (Destroyers), or 'Captain (D)'.

Captain (D) 21st Destroyer Flotilla
Rank Name Term Notes
1 Captain Harold Ernest Sulivan, D.S.O November, 1918 - March 1919 [7]
2 Captain Ralph Kerr 6 September 1935 - May 1936 [8]
3 Captain Harold Hickling May - July 1939 [9]
4 Captain Geoffrey R.B. Back July 1939 - January 1940 [10]
5 Captain Donald K. Bain January - June 1940 [11]
6 Captain C.T. Mark Pizey June 1940 - July 1942 [12]
7 Captain Cecil R.L.Parry July 1942 - August 1944 [13]
8 Captain William G. Davis August 1944 - September 1945 [14]

Composition

Grand Fleet (1918-1919)

Included:[15] United Kingdom, Grand Fleet

  1. H.M.S. Botha (1914) (Leader)
  2. H.M.S. Seymour (1916) (Leader)
  3. H.M.S. Swift (1907) (Leader)
  4. H.M.S. Mansfield (1914)
  5. H.M.S. Melpomene (1915)
  6. H.M.S. Milne (1914)
  7. H.M.S. Miranda (1914)
  8. H.M.S. Moorsom (1914)
  9. H.M.S. Murray (1914)
  10. H.M.S. Nugent (1917)
  11. H.M.S. Phoebe (1916)

Home Fleet (1935-1935)

Included:[16] United Kingdom, Home Fleet

  1. H.M.S. Campbell (1918) (Leader)
  2. H.M.S. Valentine (1917)
  3. H.M.S. Vanquisher (1917)
  4. H.M.S. Vidette (1918)
  5. H.M.S. Walpole (1918)
  6. H.M.S. Westcott (1918)
  7. H.M.S. Westminster (1918)
  8. H.M.S. Windsor (1918)
  9. H.M.S. Wolfhound (1918))

China Station (1939)

Included:[17] United Kingdom, China Station

  1. H.M.S. Duncan (1932) (Leader)
  2. H.M.S. Dainty (1932)
  3. H.M.S. Daring (1932)
  4. H.M.S. Decoy (1932)
  5. H.M.S. Defender (1932)
  6. H.M.S. Delight (1932)
  7. H.M.S. Diamond (1932)
  8. H.M.S. Diana (1932)
  9. H.M.S. Duchess (1932)

References

  1. Mackie, Colin. (January 2020).Royal Navy Senior Appointments from 1865. Flotillas & Squadrons. pp.194-253..
  2. Harley, Simon; Lovell, Tony (8 October 2018). "Twenty-first Destroyer Flotilla (Royal Navy) - The Dreadnought Project". www.dreadnoughtproject.org. Harley and Lovell. Retrieved 4 October 2020.
  3. Harley and Lovell
  4. Watson, Dr Graham (2 September 2015). "Royal Navy Organisation and Ship Deployment, Inter-War Years 1919-1939". www.naval-history.net. Gordon Smith. Retrieved 4 October 2020.
  5. Watson
  6. Watson.
  7. Harley and Lovell.
  8. Mackie. p.235.
  9. Mackie. p.235.
  10. Mackie. p.235.
  11. Mackie. p.235.
  12. Mackie. p.235.
  13. Mackie. p.235.
  14. Mackie. p.235.
  15. Harley and Lovell.
  16. Watson
  17. Watson