Allied invasion of Italy order of battle Allied invasion of Italy order of battle Allied Invasion of Italy Order of Battle is a listing of the significant Allied and Axis formations that were involved during the Allied invasion of Italy (the landings at Salerno, Reggio and Taranto) 3 September – 16 September 1943. Allied 15th Army Group under the command of General Sir Harold Alexander. (Operation "Avalanche" at Salerno) U.S. Fifth Army commanded by Lieutenant General Mark Clark. U.S. VI Corps commanded by Major General Ernest J. Dawley British X Corps commanded by Lieutenant-General Richard McCreery. British Eighth Army commanded by General Bernard Montgomery (Operation "Baytown" at
Operation Sledgehammer Operation Sledgehammer Operation Sledgehammer was a World War II Allied plan for a cross-Channel invasion of Europe, as the first step in helping to reduce pressure on the Soviet Red Army by establishing a Second Front, developed as a contingency alternative to Operation Roundup, the original Allied plan for the invasion of Europe in 1943. Allied forces were to seize the French Atlantic ports of either Brest or Cherbourg and areas of the Cotentin Peninsula during the early autumn of 1942, and amass troops for a breakout in the spring of 1943. The operation was eagerly pressed for by both