Marines attending and instructing Winter Mountain Engineer Course, ski to an avalanche prone hill at Marine Corps Mountain Warfare Training Center (MCMWTC), Bridgeport, California, Feb. 8, 2023. As part of the Winter Mountain Engineer Course, students learned how to use demolition to create holes in iced over lakes and trigger avalanches. ( Marine Corps photo by Cpl. Andrew Bray)

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Photo credit: © APFootage / Alamy / Afripics
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Keywords: cord, det, explosion, ice, mwtc, usmc