Supreme Headquarters Allied Powers Europe of "Général d'Armée" Alphonse Juin, French Army. "Holdfast" was a major allied air-ground exercise involving 150,000 British Army of the Rhine, Dutch, Belgian and Canadian troops of NATO's Northern Army Group in coordination with the Allied Air Forces Central Europe. They maneuvered east of the Rhine River in the British Zone under the overall command of Lt. General Sir Richard Nelson Gale, British Army. Finally, "Rosebud" involved ground maneuvers by the U.S. Seventh Army in the American Zone of Occupation of Allied-occupied Germany. The initial plans saw the defence of Western Europe from a Soviet invasion resting heavily on nuclear
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