9/11 Ruck March
U.S. Air Force Security Forces, Master Sgt. Jason Brown, marches with the American Flag at Shindand Air Base, Shindand, Afghanistan September 11, 2011. Airmen from the 838th Air Expeditionary Advisory Group, participated in a 24-hour ruck march in honor of the victims of the September 11, 2001 attacks. (U.S. Air Force photo by 2nd Lt. Jason Sawyers)