U.S. Air Force Staff Sgt. Tony Band, 731st Air Mobility Squadron aircraft services supervisor, straps down a Korean Air baggage container before loading personnel baggage, during the Mutual Airlift Support Agreement (MASA) exercise at Osan Air Base, Republic Of Korea May 4, 2018. The MASA demonstrates the alliance between the United States and ROK, which enabled the 731st AMS to process passengers and load personnel baggage onto a Korean commercial aircraft. (U.S. Air Force photo by Tech. Sgt. Ashley Tyler)