John was an original member of the unit, embarking aboard “S.S. ZEALANDIA” on 8 Dec 1941 for Timor as a Private in No 6 Section, “B” Platoon. After the campaign on Timor, he embarked with the unit, for Australia aboard the Royal Dutch destroyer “Tjerk Hiddes” on either 11 Dec 1942 or 16 Dec 1942, as the embarkation rolls do not differentiate.
He transferred to 1st Commando Training Squadron as an Instructor on 16 Jun 1943 and returned to the unit, date unknown, as a Trooper in No 6 Section, “B” Troop, on New Guinea.
John joined “Z” Special Forces on 24 Aug 1944 and was captured on Timor, spending the rest of the war as a P.O.W.
He was discharged on 15 Jan 1946.