U.S. Army Spc. Joshua Chumley, a combat infantryman

U.S. Army Spc. Joshua Chumley, a combat infantryman with the 1st Platoon, Delta Company, 1st Battalion (Airborne), 143rd Infantry Regiment, Task Force 4-25, loosens the cords holding a tow-bar in place in preparation to remove it from a mine resistant ambush protected vehicle at Forward Operating Base Salerno, Khost province, Afghanistan, Aug. 10, 2012. Soldiers performed weekly maintenance on the vehicles to ensure mission readiness. (U.S. Army photo by Sgt. Kimberly Trumbull/Released)