He enlisted in the Queen’s Own Rifles of Canada as a rifleman on 15 April 1926 having served for four years in the Harbord Collegiate Cadet Corps.
- 10 Sep 1927 – Promoted Corporal
- Jun 1923 qualified Sergeant
- 25 Apr 1929 – Appointed Lieutenant
- 15 Jul 1936 – Appointed Adjutant 2nd Battalion QOR
- 15 Dec 1936 – Appointed Acting Adjutant QOR
- Dec 1937 – Appointed Honorary ADC to the Lieutenant Governor of Ontario
- 5 Jun 1940 – Mobilized with QOR as second in command D Company and promoted Captain
- Served in Canada, Newfoundland and England
- 20 Jul 1941 – Promoted Major and appointed Officer Commanding D Company
- 10 Mar 1942 – Appointed to Directing Staff, South Eastern Command, Infantry Company Commander’s School, as the Canadian member
- 15 Sep 1942 – Attended 5th Canadian War Staff Course, Royal Military College, Kingston until 16 Jan 1942
- 22 Mar 1943 – Appointed Brigade Major, 3rd Canadian Infantry Brigade taking part in the invasion of Sicily and Italy
- 22 Nov 1943 – Returned to England with the rank of Lieutenant Colonel and appointed AA and Quatermaster General of Canadian Planning Staff, London
- 20 Mar 1944 – Appointed GSO I (Plans) 1st Canadian Army and remained in this appointment until the end of the war. Served in France, Belgium, Holland and Germany
- 1944 – Award ED
- At end of war, appointed GSO I, 3rd Canadian Division
- 17 Mar 1945 – Awarded the OBE
- Twice mentioned in despatches (Canada Gazette 10 p1281 9-3-46)
- 22 Dec 1945 – Made an Officer of the order of the Orange-Nassau (with Swords) by the Dutch Government
Pangman married Jean Murray Dobbie and had two children.
He died 13 Feb 1994 and is buried in Cambridge, Ontario.