A Republic of Korea Air Force F-16D Falcon flies in formation with a KC-135 Stratotanker from the 909th Air Refueling Squadron, Kadena Air Base, Japan, during a training exercise Oct. 8, 2019. The 909th ARS supports the execution of tactical, conventional, and peacetime operations as directed by the President, Secretary of Defense, and higher headquarters. The U.S.-ROK partnership in the region brings together bilateral and multilateral security relationships to preserve a free-and-open Indo-Pacific. (U.S. Air Force photo by Senior Airman Matthew Seefeldt)