Archibald served in 39th Infantry Regiment from Jan 1912 to Aug 1914 when he enlisted on 11 Aug 1914 and was given Service No 989 and posted to "D" Company, 1st Battalion, Australian Naval and Military Expeditionary Force, Tropical Unit. He embarked for Rabaul aboard "HMAT BERRIMA" on 19 Aug 1914 and returned to Australia and was discharged Time Expired on 4 Mar 1915.
He then enlisted in the 1st A.I.F. on 12 Jun 1915 and was given Service No 2606 and was posted to 8th reinforcements, 4th Battalion. He embarked for Egypt on 9 Aug 1915. He was posted to Gallipoli on 3 Oct 1915 and sent to Signallers School, Lemnos on 17 Oct 1915. After training, he was transferred to 1st Division Signals Company and returned to Gallipoli until 19 Dec 1915, when he was evacuated to Egypt.
He transferred back to 4th Battalion on 19 Sept 1916 and embarked with them for France aboard "H S SIMLA" on 23 Mar 1916. He was wounded in action on 11 Jun 1916, Gun Shot Wound Right Elbow and was medivac to England aboard "JAN BRYDEL" on 19 Jun 1916. After medical treatment he was returned to Australia aboard "SUEVIC" on 8 Jun 1918 and discharged on 26 Sept 1918.
He was entitled to a 1914-15 Star, British War Medal, Victory Medal and a Gallipoli Medallion. See Below.
Archibald enlisted on 11 Aug 1941 and was posted to Australian Army Service Corps, Sparrow Force on 12 Aug 1941. He was promoted Acting Sergeant on 12 Aug 1941 and confirmed Sergeant on 12 Nov 1941. He embarked for Timor on 12 Dec 1941 and joined the 2/2nd on Timor as a Sergeant from Sparrow Force, Australian Army Service Corps, after the fall of Koepang, approx March 1942.
He embarked at “SUAI” for Darwin aboard “KURU” on 8 July 1942 and was discharged on 23 Jan 1943.
He was entitled to the 1939-45 Star, Pacific Star, War Medal and Australian Service Medal 1939-45, pictured below.