Students attending the Army Maneuver Center of Excellence Rappel Master Course wait to board one of two UH-60 Blackhawk helicopters at the Oklahoma National Guard’s Camp Gruber Training Center, May 2017. The five-day course taught the skills and techniques necessary to become a qualified Rappel Master. ( Army National Guard photo by Capt. Jeffrey C. Strow).

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Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
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Keywords: camp, gruber, master, rappel