U.S. Air Force Staff Sgt. Sarah Kearney, 633rd Security Forces Squadron patrolman, gathers information during a Joint Expeditionary Force Experiment exercise, at Langley Air Force Base, Va., Jan. 25, 2012. Joint Base Langley-Eustis personnel participated in the exercise to help improve mission operations and support across the Air Force with enhanced cellular communication. (U.S. Air Force photo by Staff Sgt. Ashley Hawkins/Released)