Army and Air National Guardsmen from all over the nation rappel out of UH-60 Black Hawk helicopters on May 18, 2017, one of the culminating events before completing Air Assault school held at the Oklahoma National Guard’s premier training area, Camp Gruber Training Center, near Braggs, Oklahoma. (U.S. Army National Guard photo by 1st Lt. Leanna Litsch)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/33252741@N08">The National Guard</a>
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