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
Exercise Longstep on a renewed urgency following the outbreak of the Korean War, prompting NATO to establish Supreme Headquarters Allied Powers Europe (SHAPE) under the command of General of the Army Dwight D. Eisenhower, U.S. Army, on 2 April 1951. Exercise Longstep was an early naval exercise for SHAPE's southern regional command, Allied Forces Southern Europe (AFSOUTH). The overall exercise commander for Grand Slam was Admiral Robert B. Carney USN, NATO's Commander-in-Chief Allied Forces Southern Europe (CINCSOUTH). AFSOUTH component commanders during Longstep were: The objective of the Allied ("Blue") forces was to dislodge enemy ("Green") invasion forces from their occupying positions in