The 2nd Battalion, initially commanded by Lieutenant Colonel Douglas Graham, was deployed to France as part of the 13th Infantry Brigade in the 5th Division within the British Expeditionary Force (BEF) in September 1939 and, after taking part in the Dunkirk evacuation in June 1940, saw action in the Allied invasion of Sicily in July 1943 and the Allied invasion of Italy in September 1943 and, after fighting in the Italian Campaign, serving in both the Moro River and Anzio campaigns until July 1944, took part in the North West Europe Campaign in early 1945, ending in May.