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 Force Headquarters in command of AFHQ until January 1944, overseeing the Allied invasion of Sicily (with the codename of Operation Husky), which began on 10 July 1943 and the Allied invasion of the Italian mainland (codenamed Operation Baytown and Operation Avalanche), on 3 September 1943. Eisenhower then a full general, returned to the United Kingdom in December to assume command of the Allied forces assembling for Operation Overlord, the Allied invasion of Normandy, scheduled for the spring of 1944. He was succeeded by General Sir Henry Maitland Wilson. Wilson's title became Supreme Commander, Mediterranean Theater of Operations. Wilson was in command for