U.S. Marine Corps M1A1 Abrams tanks roll out from the railhead to the tank ramp 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)