Ernest served in the Aust Military Forces, (Militia), with 16th Battalion for 6 months, then enlisted in the AIF and trained at 1st Commando Training Sqn, from 25 Feb 1943.
He joined the unit as a Private at Canungra, Qld. He embarked with the unit for New Guinea aboard S.S. “DUNTROON” on 17 Jun 1943 as a Trooper in No 3 Sect, “A” 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 Lance Corporal, once again in No 3 Sect, “A” Troop.
As seen in the photo he represented the unit in boxing.
Ernest left the unit on 18 Dec 1945 and was discharged on 20 May 1946.