Interior of an American Expeditionary Force barracks showing a double-decked bunk, ca.1915 

Entrance to the American Expeditionary Force camp in World War I, ca.1915 

Exterior view of the American Expeditionary Force's YMCA building in France, ca.1915 

View of an American Expeditionary Force one hundred fifty-five millimeter artillery piece, ca.1915 

American Expeditionary Force camp made up of temporary buildings in France, ca.1915 

Interior of a Paris hospital destroyed by German gunfire, ca.1915 

American General John Pershing standing near Lafayette's tomb during World War I, Paris, ca.1915 

Interior of a church in Paris after being hit by a bomb, ca.1915 

Exterior view of American Expeditionary Force barracks in Europe during World War I, ca.1915 

Soldiers posing near a United States hospital train in World War I, ca.1914 

Vehicles of an American Expeditionary Force motor truck company in a camp, France, ca.1915 

Captured German "Bertha" gun in the Place de la Concorde, Paris, ca.1916 

Exterior view of a United States box car from World War I, ca.1914 

American soldiers passing through the narrow street of a French village on the way to the front, ca.1915 

Captured German tank on a flat car in Paris, ca.1925 

Exterior view of the damaged Rheims cathedral in France during World War I, ca.1914 

United States President Woodrow Wilson and French President Raymond Poincare riding in a carriage in Paris, ca.1918 

Birdseye view of American oil tanks and docks at Brest Harbor during World War I, ca.1914 

Massive French railroad gun from World War I, ca.1915 

View of captured German guns on display at the Place de la Concorde in Paris, ca.1916