Air Force Master Sgt. James Shearer, 28th Communications Squadron transmission system radio maintainer, mounts and fastens a new helical antenna to a AM-1 mount used by the 28th Operations Support Squadron at Ellsworth Air Force Base, , Feb. 13, 2012. The 28th OSS uses the antenna for joint range extension capabilities, to send and retrieve information via satellite. Airman 1st Class Zachary Hada

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Photo credit: © Z2A1 / Alamy / Afripics
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Keywords: .., air, defense, force, military, united, war