Donald was an original member of the unit, embarking aboard “S.S. ZEALANDIA” on 8 Dec 1941 for Timor as a Private in No 4 Section, “B” Platoon.
He took part in the raid on Dili, on night of 15-16 May 1942 and also took part in the ambush and killing of the “Singapore Tiger”, 22 Jun 1942
After the campaign on Timor, he embarked with the unit, for Australia aboard the Royal Dutch destroyer “Tjerk Hides” on either 11 Dec 1942 or 16 Dec 1942, as the embarkation rolls do not differentiate.
After leave and reorganization, he embarked with the unit for New Guinea aboard S.S. “DUNTROON” on 17 Jun 1943 as a Trooper in No 4 Section, “B” Troop. It is believed he left the unit on New Guinea and returned to Australia and was discharged 23 Nov 1944.