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 announced that three Italian divisions were to be formed as Italy's 'initial contribution to the Atlantic army', and that these divisions would also come under Eisenhower's control. On April 2, 1951, General Eisenhower signed the activation order for Allied Command Europe and its headquarters at SHAPE. Headquarters, Allied Forces Central Europe (AFCENT) was activated in Fontainebleau, France in 1953. On the same day, ACE's subordinate headquarters in Northern and Central Europe were activated, with the Southern Region following in June. By 1954 ACE's forces consisted of Allied Forces Northern Europe, at Oslo, Allied Forces Central Europe (Fontainebleau), Allied Forces Southern