Tough Mudder 2013
(From left) Tech. Sgt. Brad Brown, 56th Security Forces Squadron; Airman 1st Class David Owsianka, 56th Fighter Wing Public Affairs; and Staff Sgt. Stephanie Harp, 56th SFS, begin the 12-mile Tough Mudder obstacle course at Mesa, Ariz., February 23, 2013. The course featured 21 different obstacles of various difficulties to surpass. (U.S. Air Force photo/Airman 1st Class James Hensley)