The Army Group headquarters was established on 1 November 1952 in Bad Oeynhausen, but was relocated in 1954 to Rheindahlen. The HQ complex near Mönchengladbach contained NORTHAG HQ and three other command posts; the headquarters of the Second Allied Tactical Air Force (2 ATAF), British Army of the Rhine (BAOR) and Royal Air Force Germany (RAFG).