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
Supreme Headquarters Allied Powers Europe deployed in Europe. One of the most significant events in the history of Allied Command Europe (ACE) was France's withdrawal from NATO's integrated military structure. This move forced SHAPE and several other ACE headquarters to leave French territory. France's resentment over NATO's military structure had been brewing for a number of years, as successive French governments had become increasingly incensed with Anglo-American domination of the command structure and insufficient French influence. In February 1966 President Charles de Gaulle stated that the changed world order had "stripped NATO of its justification" for military integration, and soon afterward, France stated that it