Posted to reinforce the 3rd Battalion the Coldstream, after the losses at Tobruk, Moss fought between October 1942 and July 1943 with Montgomery's Eighth Army chasing Rommel across North Africa after Alamein and finished up the campaign in Chianti and Pantellaria. He returned to Cairo, where he volunteered to join Force 133 of the Special Operations Executive (SOE) on 24 September 1943.