First issued in 1915, the American designed Lewis Gun was air cooled with a 47 round drum magazine. Initially issued at 8 per battalion, by the end of 1918, there were 2 per platoon, for a total of 32 in a battalion. A machine gun section included 2 Lewis gunners and 6 men to carry ammunition. The last Canadian killed in World War One on November 11, 1918 was a Lewis gunner.