U.S. Marines with 2nd Tank Battalion, 2nd Marine Division, inflate a tire on a MK23 Cargo Medium Tactical Vehicle Replacement before unloading it from railcars during a Deployment for Training (DFT) Exercise at Fort Pickett, Va., March 28, 2014. The DFT is conducted to strengthen the unit's proficiency in a combat environment. (U.S. Marine Corps photo by Lance Cpl. Kelly Timney, 2nd MarDiv, Combat Camera/Released)