Major-General
* 7th of October 1892
† 14th of May 1958
(Royal Tank Corps)
| 1929-12-07 | Local Lieutenant-Colonel |
| 1932-01-01 | Brevet Lieutenant-Colonel |
| 1933-01-16 | Relinquish the Local rank of Lieutenant-Colonel |
| 1936-03-21 | Lieutenant-Colonel |
| 1938-01-21 | Colonel (Dated back to 1935-01-01) |
| 1939-10-22 | Acting Brigadier |
| 1940-04-22 | Temporary Brigadier |
| 1940-11-06 | Local Major-General |
| 1941-01-01 | Acting Major-General |
| 1942-01-01 | Temporary Major-General |
| 1946-08-14 | Granted the Honorary rank of Major-General |
| 1929-12-07 | – | 1933-01-16 | Director of Military Art, Royal Military College Duntroon [Australia] |
| 1934-04-13 | – | 1935-09-30 | General Staff Officer 2, War Office |
| 1936-03-21 | – | 1938-01-21 | Commanding Officer 2nd Battalion, Royal Tank Corps |
| 1938-01-21 | – | 1939-10-21 | Assistant Director of Mechanisation, War Office |
| 1939-10-22 | – | 1940-07-19 | Commanding Officer 1st Army Tank Brigade [France] |
| 1940-07-20 | – | 1941-07-10 | Representative of Ministry of Supply in Canada |
| 1941-07-11 | – | 1943-06-27 | Major-General Armoured Fighting Vehicles, British Army Staff Washington |
| 1943-06-28 | – | 1946-04-XX | Deputy Director of British Ministry of Supply Mission |
| 1944-07-11 | – | 1946-08-14 | Aide-de-Camp to the King |
| 1946-08-14 | Retired |