Roy enlisted on 19 May 1941 and was posted to Australian Army Service Corps, Sparrow Force on 29 Jul 1941. He joined the unit on Timor as a private from Australian Army Service Corps, after the fall of Koepang, approx March 1942. Late in Mar 1942, he was part of Lt Doig's No 13 Section, comprising men, from the Koepang end of Timor, that were stationed at Maliana to patrol the boarder area. He later attended a special training course at “Sinaro” and served as a Tommy Gunner with Lt Rodd and Lt Green’s Sect’s.
After the campaign on Timor, he embarked with the unit, for Australia aboard the Royal Dutch destroyer “Tjerk Hiddes” on 11 Dec 1942.
He was discharged on 20 Jun 1946.
He was entitled to the 1939-45 Star, Pacific Star, War Medal and Australian Service Medal 1939-45, pictured below.