Ronald served with the 15th Australian Motor Regiment prior to joining the unit. He embarked with the unit for New Guinea aboard S.S. “DUNTROON” on 17 Jun 1943 as a Trooper in No 8 Section, “C” Troop and returned to Australia with them aboard “TAROONA” on 3 Sept 1944. After leave and reorganization, he embarked for New Britain aboard “TAROONA” on 9 Apr 1945 with the unit as a Trooper in No 8 Section, “C” Troop.
He was discharged on 29 Jan 1946.
Post war Ronald served in the 41st Infantry Battalion and reached the rank of Warrant Officer Class 2 with Service number 2-66686.