WASHINGTON -- 2nd Lt. Maraline Cronauer, 497th Intelligence Group, 480th Intelligence Wing at Langley Air Force Base points out features of the Distributed Common Ground System to visitor Richard Coleman during the Air Force Association’s 24th Annual Air and Space Conference and Technology Exposition Sept. 16. A hundred and twenty-five Langley Airmen attended the event. (U.S. Air Force photo/Airman Rebecca Montez)