Brigadier General Benjamin D Foulois, Chief of Air Service, American Expeditionary Forces, seen together with a group of United States Army Air Service officers in France during World War I. They look at DH-4 aircraft. Group of Air Service officers pose for photographs. They play slapstick jokes on each other as they pose. Plane in the background. They talk and laugh during group photograph. A still photograph of a group of early United States Navy pilots.
The United States declares war against Germany during World War I. On May 28, 1917 Major General John J. Pershing, Chief of American Expeditionary Forces aboard the S.S. Baltic on its way to France during World War I. Nearly 2,000,000 American soldiers disembark at a port in France. The troops disembark from the ship. A ship at the harbor. Ships underway at sea. Sailors on the deck of a ship. A German U boat underway. Naval gun being fired at the U boat. Explosion occurs at sea. A man waves signal flags from a ship. The troops disembark from the ship. Soldiers at a rail road station and a train pulls up to carry them to the war front. (World War I; World War 1; WWI; WW1)
The United States enter World War I. General John J. Pershing, Chief of American Expeditionary Forces confers with Marshal Joseph Joffre, Commander in Chief of the French Army during World War I. (World War I; World War 1; WWI; WW1)
The United States enters World War I. A convoy of trucks loaded with American Expeditionary Forces moves to the war front in France. Soldiers on foot advance to the battle field. Soldiers fire guns at the enemy position. (World War I; World War 1; WWI; WW1)
The United States enters World War I. French refugees flee from their homes to safer places. People move along a road. Horse drawn carts carry their belongings. People carry their belongings as they move along a rail road track. American soldiers enter a village as people look on. (World War I; World War 1; WWI; WW1)
The United States enters World War 1. Men of the United States 3rd Division march towards Chateau Thierry. Soldiers of the United States 2nd Division advance to the war front. Soldiers loaded onto trucks as they move through a French town towards the front. French soldiers on side of the road applaud as they pass. Soldiers in trenches with guns. U.S. soldiers fire M1917A1 water cooled Browning machine gun. French 320 mm railway guns being fired. Soldiers put on gas masks and commence firing small trench mortars.. Soldiers fire at the enemy from the trenches. Their rifles have fixed bayonets. (World War I; World War 1; WWI; WW1)