Soldiers from 1st Squadron, 14th Infantry Regiment, 3rd Stryker Brigade Combat Team, Joint Base Lewis-McChord, Wash., conduct virtual reality training on the Dismounted Soldier Training Environment at Gowen Field, Boise, Idaho, in this undated photo. The Soldiers stand on four-foot diameter rubber pads and use their body to perform maneuvers such as walking or throwing hand grenades. Soldiers cannot only see and hear their virtual environment, but they can also communicate with their team or squad using a helmet-mounted display with headphone/microphone set.