Caption: "Aviation cadet climbs a stairway to an observation post on top of a hangar at Kelly Field, San Antonio, Texas, during World War I. Cadets spent a considerable amount of time monitoring planes in action over the flying field. Photograph taken in May 1918."

---

Size: 9177px × 6297px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: activities, aerial, air, airfield, american, antonio, army, aviat, aviation, base, cadet, climbing, documentation, duties, effort, equipment, facility, field, force, hangar, historical, history, image, infrastructure, kelly, life, military, observation, operations, patriotic, personnel, photographs, pilot, planes, post, recruitment, san, stairs, surveillance, technology, texas, training, uniform, view, war, wartime, watching, world