An F-16 Fighting Falcon from the 8th Fighter Wing, Kunsan Air Base, Republic of Korea, prepares to refuel with a KC-135 Stratotanker from the 909th Air Refueling Squadron, Kadena Air Base, Japan, during a training exercise June 18, 2019. The 909th ARS helps ensure a free-and-open Indo-Pacific by providing air refueling to U.S., allies and partners within the area of responsibility. (U.S. Air Force photo by Airman 1st Class Matthew Seefeldt)