Operation Avalanche and the Italian mainland. The Allied invasion of Sicily in July 1943, codenamed Operation Husky, was highly successful, although many of the Axis forces there were allowed to avoid capture and escape to the mainland. More importantly a "coup" deposed Benito Mussolini as head of the Italian government, which then began approaching the Allies to make peace. It was believed a quick invasion of Italy might hasten an Italian surrender and produce quick military victories over the German troops that would now be trapped fighting in a hostile country. However, Italian (and more so German) resistance proved relatively strong, and
Allied Force Headquarters Allied Force Headquarters Allied Force Headquarters (AFHQ) was the headquarters that controlled all Allied operational forces in the Mediterranean Theatre of World War II from late 1942 until the end of the war in Europe in May 1945. AFHQ was established in the United Kingdom in August 1942 under Lieutenant General Dwight David Eisenhower in order to command the forces committed to Operation Torch, the Allied invasion of French North Africa, set for November. Eisenhower had the title Commander-in-Chief, Allied Expeditionary Force. Shortly after the establishment of the headquarters, "Expeditionary" was deleted from its title, for reasons of operational security.