Belgian Soldiers Guarding a Checkpoint Near Halen, Belgium (1914)

Belgian soldiers guarding a checkpoint near Halen, Belgium, shortly after the German invasion of Belgium, August 1914.

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A British Machine Gun Platoon Guarding a Road Possibly During a Training Exercise During World War 1 (1910's)

A British machine gun platoon guarding a road possibly during training exercise during World War 1. By Paul Thompson. From the book The World War a History of the Nations and Empires Involved and a Study of the Events Culminating in the Great Conflict published in 1915.

View of Union Soldiers and Sailors Posing on an Unidentified Ferry Gunboat During the Civil War (1860's)

View of Union soldiers and sailors posing on an unidentified ferry gunboat during the Civil War.

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American Soldiers of the 79th Infantry Division Posing With Captured German POWs and Machine Guns During World War 1

American soldiers of the 79th Infantry Division posing with captured German POWs and machine guns during World War 1. From the Official History of the 315th Infantry.

Union Soldiers Guarding the Chesterfield Bridge Over the North Anna River in Virginia (1864)

Union soldiers guarding the Chesterfield Bridge over the North Anna River in Virginia, May 23, 1864. By Timothy O'Sullivan. Animated stereoscopic photographs.

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