The origin of the supply occupation in the army is vested in two separate and distinct Corps, namely the Royal Canadian Ordnance Corps (RCOC) and the Royal Canadian Army Service Corps (RCASC).
On 18 June 1812, at the height of the Napoleonic conflict, American President James Madison signed a declaration of war against Britain and struck at the only British possession on the continent: Canada.
In October 2001, the United States launched attacks against the Taliban and Al Qaeda forces following the attacks on the World Trade Center and the Pentagon.