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 headquarters of Allied Command Europe (ACE). Since 2003 it has been the headquarters of Allied Command Operations (ACO), controlling all NATO operations worldwide. SHAPE retained its traditional name with reference to Europe for legal reasons although the geographical scope of its activities was extended in 2003. At that time, NATO's command in Lisbon, historically part of the Atlantic command, was reassigned to ACO. An integrated military structure for NATO was first established after the Korean War raised questions over the strength of Europe's defences against a Soviet attack. The first choice for commander in Europe was American General of the