On leaving school he became a miner, and then joined the army, serving in the Welch Regiment.
regiment | Parachute Regiment (United Kingdom) | Royal Welch Fusiliers | Regiment | Jack Welch | Seventh Regiment Armory | Parachute Regiment | Royal New Zealand Infantry Regiment | Gloucestershire Regiment | Devonshire Regiment | The Royal Canadian Regiment | Stanton Welch | Royal Newfoundland Regiment | Essex Regiment | East Yorkshire Regiment | Royal Sussex Regiment | Royal Anglian Regiment | Raquel Welch | King's Own Royal Border Regiment | Cheshire Regiment | 5th Cavalry Regiment | South Lancashire Regiment | Royal Tank Regiment | Royal Lincolnshire Regiment | Duke of Wellington's Regiment | Canadian Airborne Regiment | Royal Norfolk Regiment | Royal Leicestershire Regiment | Princess of Wales's Royal Regiment | Peter Welch |
The British detachment at Queenston consisted of the grenadier company of the 49th Regiment of Foot (which Brock had formerly commanded) under Captain James Dennis, a flank company of the 2nd Regiment of York Militia (the "York Volunteers") under Captain George Chisholm, and a detachment of the 41st Regiment of Foot with a 3-pounder Grasshopper cannon.