It is powered into flight by a rocket engine. It can fly a distance equal to the width of China. It has a stealthy design and is capable of carrying missiles that can hit enemy targets far beyond its visual range. Its mission is to marry artificial intelligence and its sensors to identify and evaluate enemy threats and then, after getting human sign-off, to move in for the kill. On a recent day at Eglin Air Force Base on Florida’s Gulf Coast, Maj. Ross Elder, 34, a test pilot from West Virginia, was preparing for an exercise in which he would fly his F-16 fighter alongside the Valkyrie.

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Persons: Ross Elder Organizations: U.S, Air Force, Eglin Air Force Base Locations: China, Florida’s Gulf Coast, Maj, West Virginia