Members of the 5th Canadian Mounted Rifles return from combat piled on a tank in this posed August 1918 photograph. At the Battle of Amiens, where this photograph was taken, Canadians experimented with transporting infantry to the front inside the tanks, but carbon monoxide exhaust and the crippling heat left most of them vomiting and unable to fight.
George Metcalf Archival Collection
CWM 19930012-528