Soldiers conduct a tactical foot march during the Dragon Fire exercise, Umatilla, Ore., May 6, 2017. Dragon Fire is a bilateral exercise between the 48th Chemical, Biological, Radiological, and Nuclear (CBRN) Brigade and the German Bundswehr CBRN Defense Command. It also serves as the culmination training event and validation exercise for the 22nd CBRN Battlion.

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Photo credit: © Ted Small / Alamy / Afripics
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Keywords: 20th, air, america, archive, armed, army, canada, cbrne, command, defence, dragon, fire, force, forces, germany, military, navy, reportage, service, serviceman, servicemen, soldier, states, training, umatilla, united, usa, washington