![](http://www.alamy.com/thumbs/6/E7BC8568-1FF4-4102-8779-A3923F1EB921/2RC0H3N.jpg)
Observers in the basket of a Caquot balloon at Balloon School in Arcadia, California. This photograph of Sergeant Mackenzie was taken on March 24, 1919. The image number is 41861 in the collection of American Military Activities during World War One. It was passed by Censor on March 21, 1919.
Size: 8525px × 5802px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: .., 41861, academy, activities, aerial, american, arcadia, australian, aviation, balloon, base, basket, california, camp, caquot, coordination, defense, discipline, education, equipment, inspection, intelligence, mack, mackenzie, military, observers, officer, operations, parade, personnel, photographer, photography, rank, routine, school, service, sgt., strategy, surveillance, tactics, technology, training, uniform, unit, victory, war, world