SGT Frank Topar, ground radio technician with the 1930th Information Systems Squadron (1930th ISS), checks a scope signal 3 receiver using a DM 30 maintenance terminal while SSGT Kevin Trappett, also with the 1930th ISS, switches channels on an R-2208 high frequency receiver. Base: Elmendorf Air Force Base State: Alaska (AK) Country: United States Of America (USA)

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Size: 2880px × 1910px
Photo credit: © NB/ROD / Alamy / Afripics
License: Licensed
Model Released: No

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