Tech. Sgt. Don Colbert, course director for the U.S. Air Force Expeditionary Center's Mobile Command, Control and Communications Systems Course, works on radio equipment inside the Hard-sided Expandable Lightweight Air Mobile Shelter, or HELAMS, in the Mobility Operations School's Mobile C3 training facility on Fort Dix, N.J., Oct. 29, 2008. The HELAMS is the Air Force's newest shelter being fielded to contingency response forces to serve as mobile command posts in a bare-base environment. (U.S. Air Force Photo/Tech. Sgt. Scott T. Sturkol)