Commander of the Colombian Armed Forces General Alberto José Mejía expresses thanks and support to Air Force Chief of Staff Gen. David L. Goldfein during a meeting between Colombian and U.S. military leaders in Bogota, Colombia, Nov. 15, 2018. By working together with partner nations and regional leaders, the U.S. will achieve effective solutions to common challenges. (U.S. Air Force photo by Tech Sgt. Anthony Nelson Jr.)