Two U.S. Air Force F-16 Fighting Falcons, assigned to the 77th Expeditionary Fighter Squadron, fly in formation with two Royal Saudi Air Force F-15E Strike Eagles during a routine exercise over Southwest Asia, Dec. 15, 2020. U.S. Air Forces Central Command continues to build and strengthen regional partners by training alongside one another, integrating capabilities and increasing interoperability to project agile combat employment from established and austere locations throughout the U.S. Central Command area of responsibility. (U.S. Air Force photo by Staff Sgt. Taylor Harrison)