U.S. Army engineers with the 617th Engineer Company, 864th Engineer Battalion, 555th Engineer Brigade, attached to the 4th Brigade Combat Team, 101st Airborne Division, conduct road repairs to the Khost-Gardez Road in Khost province, Afghanistan, Aug. 28, 2013. The Soldiers repaired a section of road that was washed out due to heavy rains several weeks earlier, while Soldiers with Alpha Company, 4th Brigade Special Troops Battalion, provided security in the distance. (U.S. Army photo by Sgt. Joshua B. Dwyer/Released)