 Whiteley akabatana naLieutenant General Dwight D. Eisenhowers Allied Forces Headquarters seBritish Deputy Chief of Staff, vachishanda neAmerican Deputy Chief of Staff, Brigadier General Alfred Gruenther, uye Chief of Staff, Brigadier General Walter Bedell Smith. Saizvozvo, Whiteley, uyo akasimudzirwa zvakafanira kuva mukuru mukuru muna February 1943, akabatanidzwa mukuronga uye kutungamira kweTunisian campaignuye kupindirwa kweSicily neAllied. Muna August 1943 akaitazve somumiririri, achienda kuLondon kunoudza Churchill nezvezvirongwa zvokupinda kweAllied muItaly. 