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 Allied Commander Atlantic the principal adviser to the SACLANT on submarine matters and undersea warfare. COMSUBACLANT was an American three-star admiral based in Norfolk, Virginia, who also served as the Commander Submarine Force Atlantic Fleet (COMSUBLANT). Under SUBACLANT were Commander, Submarines, Western Atlantic Area (COMSUBWESTLANT) and Commander, Submarines, Eastern Atlantic Area (COMSUBEASTLANT). COMSUBEASTLANT's national appointment was the Royal Navy post of Flag Officer Submarines. Flag Officer Submarines moved in 1978 from HMS Dolphin at Gosport to the Northwood Headquarters in northwest London. His Second-in-Command was the Deputy Supreme Allied Commander Atlantic: Supreme Allied Commander Atlantic The Supreme Allied Commander Atlantic (SACLANT) was one