Making the pass
OVER MACDILL AIR FORCE BASE, Fla. -- The U.S. Air Force Thunderbirds perform an echelon pass here April 7. While performing the pass the F-16 Fighting Falcons fly between 18 and 24 inches apart at an average of 400 mph. (U.S. Air Force photo by Tech. Sgt. Sean Mateo White)

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