Supreme Headquarters Allied Powers Europe was withdrawing from the NATO military structure. SHAPE and all the other NATO installations, including NATO Headquarters and Allied Forces Central Europe (AFCENT), were informed that they must leave French territory by April 1967. Belgium became the host nation for both NATO's political headquarters and SHAPE. General Lyman Lemnitzer, SACEUR at the time, had hoped that SHAPE could be located near to NATO Headquarters, as had been the case in Paris, but the Belgian authorities decided that SHAPE should be located at least 50 kilometres from Brussels, NATO's new location, because SHAPE was a major wartime military target. The Belgian
Supreme Headquarters Allied Expeditionary Force to this day. Southwick House was used as an alternative headquarters near Portsmouth. Its staff took the outline plan for Operation Overlord created by Lieutenant General Sir Frederick E. Morgan, Chief of Staff to the Supreme Allied Commander (Designate) (COSSAC), and Major General Ray Barker. Morgan, who had been appointed chief of staff to the Supreme Allied Commander (designate) in mid-March 1943 began planning for the invasion of Europe before Eisenhower's appointment. and moulded the plan into the final version, which was executed on 6 June 1944. That process was shaped by Eisenhower and the land forces commander for the