A little more
D Day: Assembling the Allied Tactical Air Forces
Britain's 2 TAF consisted of four RAF Groups:
No. 2 Group, No. 83 Group, No. 84 Group, and No. 85 Group.
Of these four, only the first three were really available for the air-land battle in Normandy;
85 Group was under the temporary operational control of No. 11 Group, attached to an RAF home defense command.
No. 2 Group consisted of four wings of Boston, Mitchell, and Mosquito light and medium bombers.
No. 83 Group, exclusive of a reconnaissance wing and some light aircraft used for artillery spotting, contained one Mustang wing, four Spitfire wings, and four Typhoon wings. No. 84 Group, again exclusive of recce and spotting aircraft, consisted of one Mustang wing, five Spitfire wings, and three Typhoon wings.
As the campaign progressed, 2 TAF's subordinate units directly supported units of the 21st Army Group.
Thus, the British Second Army could rely upon 83 Group, and 84 Group supported the First Canadian Army.
BBC - WW2 People's War - Recollections of Service with the RAF
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