Animated Stereoview Portrait of a US Army Soldier and His Family at Fort Garland, Colorado Territory (1874)

Animated stereoview portrait of a US Army soldier and his family at Fort Garland, Colorado Territory, 1874. By Timothy O'Sullivan.

Source: Library of Congress.

The Body of a Dead American Soldier Lying at the Entrance of a German Machine Gun Nest in the Bois de la Grande Montagne, France (1918)

The body of a dead American soldier lying at the entrance of a German machine gun nest in the Bois de la Grande Montagne, France, 1918. From the Official History of the 315th Infantry.

An American Machine Gun Company on the Front Line Somewhere on the Western Front Around the Time of the Armistice During World War 1 (1918)

An American machine gun company on the front line somewhere on the Western Front around the time of the Armistice during World War 1, November 1918. From the Official History of the 315th Infantry.

American Second Lieutenant George E. Stone of the U.S. Army Signal Corps Posing With a Camera in Front of Cochem Castle During the Occupation of the Rhineland in Cochem, Germany (1919)

American Second Lieutenant George E. Stone of the U.S. Army Signal Corps posing with a camera in front of Cochem Castle during the Occupation of the Rhineland in Cochem, Germany, January 9, 1919.

Source.

Experimental Light Body Armor and Helmet Developed by the Ordnance Department Branch of the United States Army During World War 1

Experimental light body armor and helmet developed by the Ordnance Department branch of the United States Army during World War 1. From Helmets and Body Armor in Modern Warfare by Bashford Dean.

Daguerreotype Portrait of Cave Johnson Couts Who Served as a Lieutenant in an American Dragoon Unit During the Mexican-American War

Daguerreotype portrait of Cave Johnson Couts who served as a lieutenant in an American dragoon unit during the Mexican-American War, c. 1840’s.

Source.
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A Doughboy Posing with a Howitzer

An American soldier posing with a howitzer, c. 1918. Animated stereoview.

Source.