His staff work led shortly after, on 1 April 1903, to the formation of the Corps of Guides, a forerunner of the Canadian Forces Intelligence Branch.
[2] He became a career soldier with the Canadian Permanent Active Militia, as a lieutenant in 'A' Battery, which operated the first Gatling Gun to be used in combat in Canada.
[3] At the Battle of Fish Creek, District of Saskatchewan, the Dominion forces under General Middleton attempting to quell Louis Riel's North-West Rebellion retreated.
At the Battle of Batoche, District of Saskatchewan, the Dominion forces defeated the Métis' attempt to maintain Aboriginal independence in the disputed "Canadian" North-West Territories.
[4] During the Second Boer War in South Africa (1899–1902), Canadian mounted troops gathered information of intelligence value with the Strathcona’s Horse and British scout units.