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
Allied Command Transformation was preceded by Allied Command Atlantic (ACLANT) established in 1952 under the overall command of Supreme Allied Commander Atlantic (SACLANT), with its headquarters at Norfolk, Virginia. ACLANT's purpose was to guard the Sea lines of communication between North America and Europe in order to reinforce the European countries of NATO with U.S. troops and supplies in the event of a Soviet/Warsaw Pact invasion of Western Europe. Following the end of the Cold War, the Command was reduced, with many of its subordinate headquarters spread across the Atlantic area losing their NATO status and funding. However, the basic structure remained in