Photograph of an observation balloon in bed, with soldiers with either the 1st or 2nd Balloon Company standing around it. This photograph is one of a series showing soldiers working with an observation balloon. Title taken from description on back.

Photograph of an observation balloon preparing to ascend. This photograph is one of a series showing soldiers working with an observation balloon. Title taken from description on back.

This photograph depicts American soldiers interacting with German civilians. Taken from a photograph album created by an anonymous soldier in the U.S.Army. Title taken from description on back.

This photograph depicts American soldiers posing on balloon gear. Taken from a photograph album created by an anonymous soldier in the U.S.Army. Title taken from description on back.

This photograph depicts a Fokker D.VIII eindekker, or monoplane used as a chaser. This is part of a set of found or captured images of an unknown German photographer. Title taken from description on back.

Several Fokker triplanes parked on the airfield, with uniformed and non-uniformed men gathered together talking. This is part of a set of found or captured images by an unknown German photographer. Title taken from description on back.