Staff Sgt. Troy Armstrong, Squadron Fire Support Non-Commissioned Officer, 4th Squadron, 10th Cavalry Regiment (Black Jack), 3rd Armored Brigade Combat Team, 4th Infantry Division, instructs the terrain sketch portion of the bi-lateral training event during the “Call for Fire Academy” at Swietoszow, Poland March 13, 2017. The and its Allies are making strides toward interoperability by continuously training together as part of Operation Atlantic Resolve.

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Photo credit: © Chuck Little / Alamy / Afripics
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Keywords: 4id, 4th, atlantic, division, europe, infantry, interoperability, operation, poland, resolve, strong, usareur