Marines from the 2d Battalion, 8th Marine Regiment, train with the Future Immersive Training Environment Joint Capabilities Technology Demonstration virtual reality system in the simulation center at Camp Lejeune, N.C. Sponsored by the US Joint Forces Command, with technical management provided by the Office of Naval Research, the FITE JCTD allows an individual wearing a self-contained virtual reality system, with no external tethers and a small joystick mounted on the weapon, to operate in a realistic virtual world displayed in a helmet mounted display.