Norfolk House in the building 24 June 1942 - 8 November 1942 General of the army Dwight D Eisenhower supreme allied commander formed the first Allied Headquarters and in conjunction with the Commanders of the fighting services of the Allied Nations and the authorities in Washington and London planned and launched Operation "Torch" for the liberation of North Africa and later 16 January 1944 - 6 June 1944 as supreme allied commander allied expedictionary force in conjunction with the commanders fo the fighting services of the allied nations and the authorities in Washington and London he planned and launched operation 'Overlord" for the liberation of North West Europe