Image shows a Curtiss JN-4 airplane with a pilot and passenger in it, There are two soldiers inspecting the propeller with a third looking on from the side. Another in flight airplane is visible in the background.
Image shows a number of airplanes with soldiers standing next to the one closest to the camera. The pilot stands to the right of the airplane with another group talking amongst themselves nearby.
Image shows a kite balloon in air with the basket on the ground with soldiers in it and others around it. Other soldiers are holding ropes attached to the balloon.
Image shows an airplane with the number "118" and the words "Pigeon Service" and "Kelly Field" on it. There is an airman in the second seat and a soldier standing next to the airplane holding a pigeon.