A U.S. Army soldier slithers through a sand pit on the Air Assault School obstacle course at Fort Bragg, N.C., on Sept. 19, 2013.  Air Assault School is a 10-day course that consists of three phases and a 12-mile foot march that must be completed before graduation.
DoD photo by Staff Sgt. Charles Crail, U.S. Army.  (Released)
Taken on 19 September 2013
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