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 weapons ('Massive retaliation'), with conventional forces merely acting as a 'tripwire.' The policy enunciated in Military Committee document MC14/1, issued in December 1952, saw the defence of Germany as principally a delaying action, to allow a line of resistance to be established along the lines of the IJssel and Rhine rivers. The conventional forces would attempt to hold this line while the allied strategic air forces defeated the Soviets and their allies by destroying their economy and infrastructure. What this strategy meant for the land battle in the central region was described for publicity purposes in January 1954 by then-Supreme