133rd (Parachute) Field Ambulance involved in was Operation Slapstick, a landing at the port of Taranto during the Allied invasion of Italy in September 1943. Slapstick was in part a deception operation, to divert German forces away from the main Allied landings at Salerno (Operation Avalanche), which would be taking place on the same day and also an attempt to seize intact the ports of Taranto and Brindisi. The main advantage of Tranato was its large port. Positioned on the eastern side of the country, together with the expected capture of Naples in the west by the Americans, it would give the Allies two
Allied invasion of Italy 8 September. With such short notice to create plans, Operation Slapstick was soon nicknamed Operation Bedlam. The Avalanche plan using less than half the troops landed during Operation Husky was daring, considering possible resistance by six German divisions. The Fifth Army would be landing on a very broad front, using only three assault divisions (one American, the 36th, under Major General Fred L. Walker, in VI Corps, and two British, the 46th, under Major-General John Hawkesworth, and 56th, under Major-General Douglas Graham, in X Corps), and the two corps were widely separated, both in distance () and by the Sele