First Lt. Matthew Yosua, foreground, native of Philadelphia, platoon leader, 2nd Platoon, Cherokee Troop, 6th Squadron, 4th Cavalry Regiment, 3rd Brigade Combat Team, 1st Infantry Division, Fort Knox, Ky., gives a convoy brief prior to moving, Oct. 14, 2013. The unit escorted 1st Theater Sustainment Command, Deputy Commanding General, Brig. Gen. Duane Gamble during a battlefield circulation to the Regional Command North, Afghan, Northern Distribution Network Rail Port 2, to assess its capabilities for future retrograde operations. (U.S. Army photos by Sgt. 1st Class Timothy Lawn, 1st Theater Sustainment Command Public Affairs/Released)