Ed Donaldson, Army Support Activity simulations specialist, prepares an overhead projector for training, before the start of a Virtual Battle Space 2 simulation at Fort Eustis, Va., Sept. 6, 2012. The VBS2 system offers a configurable, virtual environment that can simulate real-world environments, or be employed on different simulators to provide realistic visuals for Soldiers. (U.S. Air Force photo by Staff Sgt. Ashley Hawkins/Released)