Cherokee Troop, 6th Squadron, 4th Cavalry Regiment, 3rd Brigade Combat Team, 1st Infantry Division, Fort Knox, Ky., and an element of the 524th Combat Service and Support Brigade, await the arrival of 1st Theater Sustainment Command, Deputy Commanding General, Brig. Gen. Duane Gamble, Oct. 14, 2013, to provide escort and security for a battlefield circulation of the Afghan, Northern Distribution Network Rail Port 2. The port is being assessed for its capabilities in future retrograde operations. (U.S. Army photos by Sgt. 1st Class Timothy Lawn, 1st Theater Sustainment Command Public Affairs/Released)