Air Force Staff Sgt. Charles Alexander, 269th Combat Communications Squadron radio frequency transmissions systems technician, left, and Airman 1st Class Donte Patrick, 1st CBCS radio frequency transmissions systems technician, inspect a satellite antenna for corrosion during Exercise Trident Juncture 18 at Rovaniemi, Finland, Nov. 1, 2018. The exercise increases security by deterring possible threats and enhancing interoperability among NATO allies and partners.

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Photo credit: © Nelly George / Alamy / Afripics
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Keywords: archive, armed, defence, forces, military, reportage, servicemen, tridentjuncture18, usa