American airman standing in observer's cockpit of a De Havilland DH-4 aircraft, during World War 1, demonstrates the flexibility of twin Lewis machine guns installed on a Scarff ring. He rotates the twin guns through various angles and elevations as he moves up and down, himself, in the open cockpit. He then turns his attention to a single Lewis gun mounted atop the upper wing. He removes the gun's ammunition cannister and replaces it with another.
A dozen Renault FT tanks move in loose formation across a field during World War 1. One maneuvers in rough terrain and descends into and out of a deep shell or bomb crater. The group of Renault FT tanks moves at high speed across a flat field. A Renault FT stops and demonstrates movement of its turret and of its 37mm gun.
American Expeditionary Forces (AEF) in France, employ several configurations of 37 mm guns. One is mounted on a vehicle upon which three gun crew soldiers sit while it is fired by another standing behind the truck. Another 37mm gun is fired from tilted and highly elevated position in wooded area. Another view of the. truck-mounted 37 mm gun,stabilized and counter-weighted. (World War I; World War 1; WWI; WW1)
American Expeditionary Forces (AEF) training in France during World War 1. Soldiers pull small mountain gun on wheeled carriage. They then remove it from the carriage, and one carries the barrel and another carries the mount and trails to firing location where they reaasemble it and begin firing it, with one placing shells in the gun and the other aiming and firing. They proceed to fire the gun while officer and other soldiers observe. (World War I; World War 1; WWI; WW1)
American Expeditionary Forces (AEF) soldiers firing a mortar during training in France in World War 1. The mortar team members pass a shell from one to another, cleaning, and arming it on the way. The last man drops it into the mortar and it fires. Immediately afterwards, as if in response to a gas alarm, they .quickly don gas masks then resume firing. A cluster of explosions occurs not far away. (World War I; World War 1; WWI; WW1)
U.S. Army training for American Expeditionary forces (AEF) in France, during World War 1. A demonstration about how to load and fire a 6-inch mortar. A soldier screws a fuse into a mortar shell to arm it. He then fastens a firing lanyard at mortar base and moves away to fire it. Shell impacts with explosion. (World War I; World War 1; WWI; WW1)