U.S. Air Force Staff Sgt. Oris Key, 633rd Security Forces Squadron patrolman, reads a checklist during a Joint Expeditionary Force Experiment exercise at Langley Air Force Base, Va., Jan. 25, 2012. The four-week long experiment, which began Jan. 16 and ran through Feb. 10, investigated unified communications benefits from mobile access and multi-use smart technologies, such as smartphones and tablets, to enable base personnel to conduct their mission tasks. (U.S. Air Force photo by Staff Sgt. Ashley Hawkins/Released)