Military history of the United Kingdom during World War II King George VI in early 1942. In late 1942 Operation Torch, the first large Allied combined operation, was launched. The British and Americans landed in force invading French North Africa, but far enough west that the Germans were able to invade Tunisia (owned by France) and make it their base of operations. Torch was followed by Operation Husky the invasion of Sicily, and Operation Avalanche, the invasion of southern Italy. Again the naval forces escorted the invasion fleet and heavy cover was provided against Italian interference. In the aftermath of Avalanche, the Italian surrender was announced and the British naval
Allied invasion of Sicily opportunistic and irrelevant, but were persuaded to agree to a Sicilian invasion on the grounds of the great savings to Allied shipping that would result from the opening of the Mediterranean by the removal of Axis air and naval forces from the island. The Combined Chiefs of Staff appointed General Eisenhower as C-in-C of the Allied Expeditionary Force, General Alexander as Deputy C-in-C with responsibility for detailed planning and execution of the operation, Admiral Cunningham as Naval Commander, and Air Chief Marshal Tedder as Air Commander. The outline plan given to Eisenhower by the Chiefs of Staff involved dispersed landings