Each wing was directly attached to a UK based Army regional Command.
[1] Its function was to act as the focus for activities connected with the interaction of the British Army and the RAF, such as close air support, tactical reconnaissance, artillery spotting and training of anti-aircraft defences.
It was also responsible for developing tactics for the invasion of Europe, where direct air support proved to be decisive.
[2] Army Co-Operation Command proved to be controversial, with the Chief of the Imperial General Staff General Sir Alan Brooke being an implacable foe of the command arrangement.
70 (Army Co-operation Training) Group – 1 December 1940 – 1 June 1943 (transferred to ADGB)