669 Squadron Royal Air Force (RAF) formed up on 1 January 1945 in Basal, India. The Squadron was a glider squadron however, due to the number of RAF personnel, was designated as a RAF Squadron and not a unit of the Glider Pilot Regiment (GPR) even though 20 percent of the personnel were cap-badged GPR. The Squadron was equipped with the Douglas DC3 transport aircraft and Horsa and Hadrian gliders, with the intention of supporting future operations against the Japanese. Following the surrender of Japan on 2 September 1945 the Squadron was disbanded on 4 November 1945.
The Squadron was re-formed on 1 June 1971 from 131 Flight based in Germany. 669 Squadron Army Air Corps became part of 4 Regiment Army Air Corps based in Detmold. The Squadron returned to the United Kingdom in 1995 and was based at Wattisham, from where it operated as an anti-tank Squadron in support of 16 Air Assault Brigade. In 2007 the Army Air Corps was restructured into single-type regiments and 669 Squadron Army Air Corps was redesignated as a 9 Regiment Army Corps Squadron.
Squadron motto - 'Machen Wir' or 'We will do it'.
Squadron badge heraldry - A lion with twin tails, rampant (rearing up), gules (red), armed and langued sable.