Chièvres Air Base December 31, 1967 the Belgian authorities officially turned over Chièvres Airbase to the Supreme Headquarters Allied Powers Europe (SHAPE). The Americans established the NATO/SHAPE Support Group (US) in 1968 at Caserne Daumerie adjacent to the air base and just east of the town of Chièvres to operate the base and provide logistic support to NATO and SHAPE. This small unit was part of Theater Army Support Command (TASCOM), which was part of U.S. Army Europe (USAREUR). The NATO/SHAPE Support Group was later renamed 80th Area Support Group (NATO/SHAPE Support Group). The Airbase did serve as rehearsal and arrival point of
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