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
Gustave Fourreau - Major) on July 1, 1959. He was assigned to the 13th Demi-Brigade of the Foreign Legion 13 DBLE on four different occasional tours. The first assignment was at Bougie on July 22, 1960, on August 10, 1960, on November 3, 1960, then on November 17, 1961. He was then nominated to the 1st Mounted Chasseur Groupment () at Reims. He was promoted to the rank of Lieutenant-colonel, on October 1, 1964. In October, he was nominated to the Command of the general staff headquarters of Supreme Allied Armed Forces () in Europe, the Supreme Headquarters Allied Powers Europe SHAPE.