LANGLEY AIR FORCE BASE, Va. -- Airman 1st Class David Thurman, 13th Intelligence Sqaudron imagery analyst, tracks data provided by reconnaissance aircraft Aug. 12 during Empire Challenge 10 in the Ryan Center here. The EC10 exercise was an annual joint and coalition intelligence, surveillance and reconnaissance interoperability demonstration that pulled resources worldwide to showcase emerging ISR capabilities and provide vital lessons learned to improve support to warfighters at the tactical level. (U.S. Air Force Photo by Tech. Sgt. Randy Redman)