![](http://www.alamy.com/thumbs/6/05E3BE3A-D070-4E6E-91B9-AA14D6C8D0B5/W6MCJ1.jpg)
Tan Son Nhut Air Base, South Richard L. Moser of Detachment 1, 460th Tactical Reconnaissance Wing, signals the pilot to start the engine of a Air Force RB-57 prior to a reconnaissance mission.
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Photo credit: © Alpha Stock / Alamy / Afripics
License: Licensed
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