After the end of the Tunisian Campaign, the regiment reverted to the MEF, but on 7 October 1943 it landed at Salerno as part of 2nd AGRA, where it came under the command of the US Fifth Army. It took part in the Battle of the River Volturno and the 1st Battle of Cassino. After a short spell in 1st AGRA with Eighth Army on the East coast of Italy for the opening of the Battle of the Sangro, the regiment reverted to Fifth Army command at Cassino, the River Garigliano, the final battle of Cassino, and the breaking of the Hitler Line and Gustav Line.