Eisenhower remained in command of AFHQ until 16 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 on 14 January 1944 to assume command 2 days later 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.