Allied invasion of Italy two hours traveling from the transports to the landing beaches. On the German side, Albrecht von Kesselring lacked the strength to push the Salerno landing back, and was refused two panzer divisions from northern Italy to assist him. Operation Avalanche was planned under the name Top Hat and supported by a deception plan, Operation Boardman, a false threat of an Allied invasion of the Balkans. In mid-August, the Germans had activated Army Group B ("Heeresgruppe B") under Erwin Rommel with responsibility for German troops in Italy as far south as Pisa. Army Command South ("OB Süd") under Albert Kesselring continued
Allied invasion of Italy the U.S. Army Chief of Staff, General George Marshall, and much of the American staff wanted to avoid operations that might delay an invasion of Europe, which had been discussed and planned as early as 1942, and which finally materialized as Operation Overlord in 1944. When it became clear that no cross-channel invasion of occupied France could be undertaken in 1943, it was agreed to invade Sicily, with no commitment made to any follow-up operations. However, both Churchill and Franklin D. Roosevelt, the U.S. President, accepted the necessity of Allied armies continuing to engage the Axis in the period after