Army Soldiers 2nd Battalion, 87th Infantry Regiment, 2nd Brigade Combat Team, 10th Mountain Division, stand in formation at the Chilean Army Mountain School in Portillo, Chile Aug. 25, 2021. Soldiers learned the basics of cold weather, mountain warfare including survival, movement and combat fundamentals as part of the Southern Vanguard 2021 exercise between and Chilean soldiers.

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Photo credit: © Operation 2021 / Alamy / Afripics
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Keywords: 10th, 2021, army, chilean, division, mountain, southern, vanguard