British troops in bombproof shelter on the frontlines, Dardanelles Campaign. Ca. 1915.

British troops marching and waving their helmets on there wat to thr front.

British troops moving up to advanced position in France. Yorkshire regiment advancing at dusk.

Canadian troops going "over the top" during training near St. Pol, France. October 1916. Lt. Ivor Ca…

Lt. Col. R. D. Garrett, Chief signal officer from the 42nd Division testing a telephone left behind …

View of ruins in front of the Cathedral at St. Quentin, France, October 14, 1918. Lt Edward O. Harrs…

Columns of German prisoners taken by the Americans in the first day of the assault on the St. Mihiel…

Damaged British tank after major battle at street corner in Poelcapelle, Belgium. December 19, 1918.…

Destroyed German military vehicle.

Exhibit of body armor showing effect of pistol, rifle and machine gun fire for the Ordnance Departme…

French "37" in firing position on parapet in second-line trench. This gun has a maximum range over o…

Night firing of a French 320mm rail gun during a night bombardment at the German front line.

French artillerymen wearing gas masks, 1917.

A French assault on German positions. Champagne, France. 1917.

An old French couple, M. and Mme. Baloux of Brieulles-sur-Bar, France, under German occupation for f…

French sergeant and a dog both wearing gas masks on their way to the front line, France 1917.

French soldiers in trenches, 1917.

French soldiers using liquid fire, early "Flamethrowers" at the front line trenches, France 1917.…

French soldiers wearing gas masks awaiting an attack on the Eastern front, 1916.

French soldiers wearing gas masks on the Western Front, 1916.

At a height of 150 meters above the fighting line in a airship, the daring French photographer was a…

French troopers under General Gouraud, with their machine guns amongst the ruins of a cathedral near…

Learning of German retreat from her district, a French woman returns to find her home destroyed.

German officers in an automobile on the road with a convoy of wagons, soldiers walk along side the r…