Chièvres Air Base Chièvres Air Base Chièvres Air Base is a United States Air Force operated airfield located east southeast of the Walloon town of Chièvres in the province of Hainaut, Belgium and about from Headquarters, Supreme Headquarters Allied Powers Europe (SHAPE), in Casteau. It is mainly used to provide logistic support to NATO and SHAPE. The station and support facilities are operated by the United States Army Garrison Benelux for NATO. The United States Air Force 424th Air Base Squadron (ABS) is the operational unit at Chièvres Air Base. It is supported by the 86th Operations Group at Ramstein Air Base, Germany.
Western Union (alliance) DC. The need to back up the commitments of the North Atlantic Treaty with appropriate political and military structures led to the creation of the North Atlantic Treaty Organisation (NATO). In December 1950, with the appointment of General Eisenhower as the first Supreme Allied Commander Europe (SACEUR), the members of the Treaty of Brussels decided to transfer the headquarters, personnel, and plans of the Western Union Military Organisation (WUDO) to NATO. NATO's Supreme Headquarters Allied Powers Europe (SHAPE) took over responsibility for the defence of Western Europe, while the physical headquarters in Fontainebleau were transformed into NATO's Headquarters, Allied Forces