American Soldiers of the 6th US Cavalry Regiment Training Horses in Fort Bayard, New Mexico (1880's)

American soldiers of the 6th US Cavalry Regiment training horses in Fort Bayard, New Mexico, c. 1885.

Source: National Archives and Records Administration.

An American Soldier Firing a Chauchat Light Machine Gun From Behind a Barricade Made of Sandbags and Ammunition Boxes During World War 1 (1910's)

An American soldier firing a Chauchat light machine gun from behind a barricade made of sandbags and ammunition boxes during World War 1.

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.

Photograph of American Troops During the Battle of Manila (1898)

Photograph of American troops during the Battle of Manila captioned “Advance on Left of American lines. Signal Corps extending telegraph lines from trenches. Flags displayed to indicate to the Navy progress of the advance. August 13, 1898.”

Source.

American Soldiers Marching Along a Road Northwest of Verdun, France (1918)

American soldiers marching along a road northwest of Verdun, France, November 5, 1918. By the U.S. Army Signal Corps.

Source.

A Group of American POWs Taken by the Chinese People’s Volunteer Army Near Kunu, North Korea, During the Korean War (1951)

A group of American POWs taken by the Chinese People’s Volunteer Army near Kunu, North Korea, during the Korean War, 1951.

Source.

An American Soldier Firing a Bazooka at an Axis Target 300 Yards Away Near Lucca, Italy (1944)

An American soldier firing a bazooka at an Axis target 300 away distant near Lucca, Italy, September 7, 1944. Original caption: "This Negro combat patrol advanced three miles north of Lucca (furthermost point occupied by American troops) to contact an enemy machine gun nest. Here a bazooka-man cuts loose at the target some 300 yards distant."

Source.

American Troops Marching Along a Muddy Road in France During World War 1 (1918)

American troops marching along a muddy road in France during World War 1, c. 1918.

Source.

Cuban Civilians Cheering American General Fitzhugh Lee and His Troops During Their Entry Into Havana, Cuba (1899)

Cuban civilians cheering American General Fitzhugh Lee and his men on their entry into Havana, Cuba, after the end of the Spanish-American War, January 1, 1899. By Strohmeyer & Wyman. Animated stereoview.

Source.

American Troops Watching a Boxing Match Between Two of Their Comrades During Their Voyage Home from Europe

American troops watching a boxing match between two of their comrades on board a ship during their voyage home from Europe, c. 1918. Animated stereoview.