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 an excursion boat on the Rhine River in Koblentz, Germany.

This photograph depicts Festung Ehrenbreitstein on the eastern bank of the Rhine at Koblenz. Title taken from description on back.

This photograph depicts French patrol boats on the water with soldiers standing on the dock in Koblentz, Germany.

Photograph of an inflating observation balloon in its bed with soldiers standing in front. This photograph is one of a series showing soldiers working with an observation balloon. Title taken from description on back.

This photograph depicts a Zepplin hanger. There are a number of aircraft parked in the hanger. Title taken from description on back.