This was a part of the UK Defence Review called Delivering Security in a Changing World; the Nimrod MR.2 fleet was reduced in number from 21 to 16 as a consequence.6 Squadron, Royal Naval Air Service, a fighter unit operating Nieuport 17s and later Sopwith Camels over the Western Front before disbanding on 27 August 1917.Following the Armistice it was used to operate an air mail service for the British occupying army in Germany, before being deployed to Helwan, Egypt in June 1919.The squadron attacked German submarines on two occasions in September, with no effect (the 100 lb (45 kg) anti-submarine bombs used by the RAF at the time were ineffective weapons - one friendly-fire incident in December 1939 resulted in a direct hit on the conning tower of the British submarine HMS Snapper with the sole damage being four broken light bulbs).[28] Reformed yet again on 27 September 1952 as a maritime reconnaissance squadron, it was equipped with Avro Shackletons and based at RAF St Eval in Cornwall.The squadron moved to RAF Kinloss in Scotland in July 1965 and was re-equipped with the jet-powered Hawker-Siddeley Nimrod in November 1970.
Hawker Siddeley Nimrod MR.1 maritime reconnaissance aircraft of No. 206 Squadron in 1977.