Serbian troops in battle in Monastir, Serbia during World War I. The troops advance towards the battlefield. Soldiers fire rifles from hide outs. Scene shifts to two soldiers in what appear to be American M17 steel helmets, standing at their motorcycles, and viewing a map. Both of the presumably U.S. Army soldiers are wearing gas masks (possibly this shot is from a later period?). Next scene shows Serbian troops firing mortars received from the Allies. View of explosions and smoke rising in mortar target area.
Aviation cadets of U.S. Army Air Service or Aviation Section of U.S. Signal Corps undergo aviation training in the United States before wartime deployment during World War 1. Cadets march in uniforms. They examine a biplane and work on it. They observe an airplane engine running and learn about it. They sit perched over a painted mock aerial landscape and take notes or a test noting features of the landscape.
U.S. Army Air Service or Aviation Section of U.S. Signal Corps cadets undergo aviation training in United States. Buildings in the background. They stand near tables and make gun barrels. They make dummy bombs from plaster of Paris. They also make shells and other World War 1 era armaments.
U.S. Army Air Service or Aviation Section of U.S. Signal Corps Cadets seated at desks look at airplanes on projector in United States and learn about dogfight scenarios. They write down their observations in their notebooks. They fire rifles and machine guns at a range, the latter as practice for aerial machine gun use. Instructors guide them. They fire at target boards painted with target World War 1 enemy aircraft.
U.S. Army Air Service or Aviation Section of U.S. Signal Corps Cadets undergo aviation training in United States during World War I. Two cadets in a dummy cockpit learn the operations. Other cadets watch. Cadets march out of the school cadet wing. Officer and quartermaster issue flying suits, equipment and gear to cadets. Airplanes on ground. Cadets walk towards the aircraft. Ground crew stands near a plane.
World War I U.S. Army Air Service or cadets from Aviation Section of U.S. Signal Corps undergo aviation training in United States before wartime deployment. Cadet and instructor in the cockpit of an airplane. The airplane in flight. Other cadets watch the flying operations of the plane. A cadet notes down his observations. Other airplanes in formation over a field.