A right side view of an Israel Aircraft Industries F-21A Kfir (young lion) aircraft of the U.S. Navy fighter squadron VF-43. Twenty-five modified Kfir C1s were leased to the US Navy and the US Marine Corps from 1985 to 1989, to act as adversary aircraft in dissimilar air combat training (DACT). These aircraft, designated F-21A Kfir