1939
General Staff Officer 1, National Defence Headquarters
1940
Director of Military Operations, National Defence Headquarters
1941
Director of Military Training & Staff Duties, National Defence Headquarters
1941
- 1942
Brigadier General Staff Canadian Military Headquarters, England
1942
- 1944
Vice Chief General Staff, National Defence Headquarters
1945
Chief General Staff, National Defence Headquarters
1945
- 1946
Chief of Staff Canadian Military Headquarters, England
Picture source: Courtesy of Clive M. Law