Mobile anti-aircraft searchlight used by Engineer Corps. Night view of illumination from 24" searchl…

Night attack with phosphorus bombs in Gondrecourt, france. August 15, 1918.

This old castle perched on a hilltop above the Moselle River and the town of Cochem, Germany is head…

Members of the 101st Field Signal Battalion (formerly 1st Massachusetts F.S.B.) at outdoor church se…

Second Lt. Paul Weir Cloud with photographic unit 89th Division operating still camera near Kyllburg…

Repairing front line trench after bomb explosion fifty yards from enemy trenches. D. W. Griffith in …

Roof of Crown Prince's observatory showing holes made using observation instruments left behind by t…

Royal Irish Rifles ration party at Western front in Somme, France. July 1916.

A view of ruins at Avocourt, situated just behind the American trenches before the Allied drive of S…

Ruins of St. Martin's Church in Ypres, Belgium,1918.

Ruins of the Cathedral of St. Quentin, France, October 18, 1918. Pfc. William B. Gunshor. (Army)

The re-organized Serbian army on the Balkan front, 1915.

Sharpshooters from the 28th Infranty have good view of enemy from shelter behind old brick wall. Bon…

Attaching a message to a Signal Corps carrier pigeon near the front, 1917

American soldier and his horse wearing gas masks at the front line, France, 1917.

Soldier wearing gas mask on the Eastern front, 1916.

Soldier of Company K, 110th Regt. Infantry (formerly 3rd and 10th Inf., Pennsylvania National Guard)…

Men entering a novel billet with their packs near Riencourt, France. 1918.

Turkish prisoners behind their own barbed wire at Seddul Bahr. Dardanelles Campaign 1915.

U.S. Army infantry troops from the African American unit marching northwest of Verdun, France Nov 5,…

Second Lt. George E. Stone with the United States Army Signal Corps is in charge 4th Army Corps Phot…

This shattered church in the ruins of Neuvilly furnished a temporary shelter for American wounded be…

Treatment room for gassed patients at American Evacuation Hospital No. 2, Baccarat, France. June 8, …

Officers of 114th Pennsylvania Infantry in front of Petersburg, Va., August, 1864.