Airman 1st Class Lonnie J. Evans, Jr., of Philadelphia, stands guard atop one of the sentry towers posted along the perimeter at Nha Trang Air Base, South Vietnam, in December 1967. ( Air Force photo)

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Size: 1380px × 1811px
Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, airforce, force, military, states, united, usa