Seoul ADEX 17

SEOUL, South Korea -- Aircraft fly in the Celebration Flight during the Seoul International Aerospace and Defense Exhibition (ADEX) 2017 Opening Ceremony at the Seoul Airport, Republic of Korea, Oct. 17, 2017. The Seoul ADEX is the largest, most comprehensive event of its kind in Northeast Asia, attracting aviation and aerospace professionals, key defense personnel, aviation enthusiasts and the general public alike. (U.S. Air Force photo by Staff Sgt. Alex Fox Echols III)