 X Corps, now under command of the US Fifth Army under Mark W. Clark, played a key role at the bitterly contested Salerno landings, in September 1943, then fought its way, reaching the River Garigliano at the end of 1943 to be halted in front of the Winter Line and were involved in the first Battle of Monte Cassino in January 1944 and later the capture of Rome on 4 June 1944.In September 1943, McCreery was responsible for dealing with the Salerno Mutiny.McCreery was knighted in the field in July 1944 by King George VI, at Palazzo del Pero, near Arezzo, Italy.