A Ukrainian Sukhoi Su-27 Flanker flies over the flightline during the opening ceremony of exercise Clear Sky 18 at Starokostiantyniv Air Base, Ukraine, Oct. 8, 2018. Clear Sky 18 promotes regional stability and security, while strengthening partner capabilities and fostering trust. ( Air Force photo by Airman 1st Class Christopher S. Sparks)

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Photo credit: © APFootage / Alamy / Afripics
License: Licensed
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Keywords: 18, air, airman, ceremony, clear, eucom, guard, hqusafe, national, partner, pilot, sky, strong, ukraine, usaf, usafe