Operation Avalanche Operation Avalanche Operation Avalanche was the codename for the Allied landings near the port of Salerno, executed on 9 September 1943, part of the Allied invasion of Italy. The Italians withdrew from the war the day before the invasion, but the Allies landed in an area defended by German troops. Planned under the name "Top Hat", it was supported by the deception plan Operation Boardman. The landings were carried out by the US Fifth Army, under American General Mark W. Clark. It comprised the U.S. VI Corps, the British X Corps and the US 82nd Airborne Division, a total of
World War II by country Queen of Tonga, Salote Tupou III, put her island country's resources at the disposal of Britain and was a loyal supporter of the Allied cause throughout the war. The Emirate of Transjordan was a British mandate territory, and the Transjordanian forces were under British command during the war. See Caribbean Islands. See North African Campaign. Turkey was neutral until several months before the end of the war, at which point it joined the Allied powers. Prior to the outbreak of war, Turkey signed a Mutual Aid Pact with France and Britain in 1939. After the German invasion of France, however,