A Hawaii Air National Guard F-22 Raptor crew chief observes an F-35A Lightning II taxi down the flight line Jan. 30, 2020, at Joint Base Pearl Harbor-Hickam, Hawaii. Lightning II aircraft, assigned to Luke Air Force Base, Ariz., temporarily relocated to Hawaii to join other flying squadrons in exercise Pacific Raptor. The exercise is held to integrate the world’s most advanced fifth-generation aircraft, practicing combat scenarios alongside designated ‘aggressor’ aircraft. (U.S. Air Force photo)