Supreme Headquarters Allied Powers Europe government offered Camp Casteau, a 2 km² Belgian Army summer training camp near Mons, which was an area in serious need of additional economic investment. In September 1966, NATO agreed that Belgium should host SHAPE at Casteau. SHAPE closed its facility at Rocquencourt near Paris on 30 March 1967, and the next day held a ceremony to mark the opening of the new headquarters at Casteau. The drawdown of the British Mediterranean Fleet, the military difficulties of the politically decided command structure, and the withdrawal of the French from the military command structure forced a rearrangement of the command arrangements
René Morel (Légion étrangère) headquarters of Supreme Allied Armed Forces () in Europe, the SHAPE. After having followed the 5th Session of the Defense NATO College, her served again in Supreme Headquarters Allied Powers Europe SHAPE. In October 1953, he was designated as assistant () to the general Commandant of the subdivision of "Orléansville", then to the general Commandant zone-west "Algéroise" and the 9th Infantry Division (). Designated as Inspector of the Foreign Legion in January 1960, he was admitted to the 1st section of officer generals in the month of May of the same year. In that post, he avoided an attempt by