Image 1 of 10
Two U.S. Air Force F-16 Fighting Falcons fly in formation with two Royal Saudi Air Force F-15E Strike Eagles after receiving fuel from a KC-135R Stratotanker during a routine exercise over Southwest Asia, Dec. 15, 2020.

Two U.S. Air Force F-16 Fighting Falcons fly in formation with two Royal Saudi Air Force F-15E Strike Eagles after receiving fuel from a KC-135R Stratotanker during a routine exercise over Southwest Asia, Dec. 15, 2020. (Staff Sgt. Taylor Harrison/Air Force)