Vigilant Ace 18
Airmen with the 41st Troop Carrier Squadron from Little Rock Air Force Base, AR, look out the tailgate of a C-130J Super Hercules during exercise Vigilant Ace 18, Dec. 6, 2017, at Osan Air Base, Republic of Korea. Vigilant Ace 18 is a U.S.-Republic of Korea combined exercise aimed at enhancing operational and tactical level coordination through combined and joint combat training. (U.S. Air Force photo by Senior Airman Donald Hudson)