Foreign relations of Belgium (WEU). Both NATO (since 1966) and the EU have their headquarters in Brussels; SHAPE (Supreme Headquarters Allied Powers Europe) is in the south of the country, near Mons. Since January 1993, the WEU has been headquartered in Brussels. Belgium has been one of the strongest supporters of NATO since the inception of the alliance in 1949. Having suffered through two invasions in two world wars, Belgium was aware of its security needs and the limitations of its means for self-defense. As a result, the leaders of that nation began calling for the formation of a defensive alliance shortly after the
Supreme Headquarters Allied Expeditionary Force with the American 6th Army Group (6 AG) under the command of Lieutenant General Jacob L. Devers. During the invasion of southern France, the 6 AG was under the command of the Allied Forces Headquarters (AFHQ) of the Mediterranean Theatre of Operations, but after one month command passed to SHAEF. By this time, the three Army Groups had taken up the positions on the Western Front in which they would remain until the end of the war—the British 21 AG to the North, the American 12 AG in the middle and the 6 AG to the South. By December 1944,