U.S. Air Force Maj. Paul Lopez, Air Combat Command F-22 Raptor Demonstration Team future pilot, talks to international military members about the capabilities of fifth-generation fighter aircraft during the Seoul International Aerospace and Defense Exhibition (ADEX) 2017 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) - Stock Image