Austrian Warrant Officer 1 Alois Erber prepares for a test on his computer communications equipment Sept. 3, 2010, in Grafenwoehr, Germany for Combined Endeavor 2010. Combined Endeavor 2010 is the world's largest communications interoperability exercise, preparing international forces' command, control, communications and computer systems for multinational operations. Airman 1st Class Jeremy Burns

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Photo credit: © PJF Military Collection / Alamy / Afripics
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Keywords: air, airforce, combined, endeavor, force, germany, grafenwoehr, military, states, united, usa