but because it refused to stay that way.… The hangar lights flickered like something undecided. Captain Sato ran a hand along the fuselage of the F-15, the metal still warm from its last sortie. Fifty years of history were riveted into that skin. It had first flown in 1972, when radar screens were simpler, missiles dumber, and the sky—comparatively—honest. “Still flying,” the mechanic said behind him. “Like a classic car.” Sato smirked. “Yeah. Except the highway’s changed.” Out beyond the runway, the world no longer fought the way it used to. Surface-to-air missile systems now spoke in layers—long-range engagement envelopes, overlapping radar networks, passive detection grids that didn’t even need to emit to see you. Aircraft weren’t hunted anymore. They were predicted. The old Eagle had been built for a different sky: climb higher, fly faster, see first, shoot first. And for decades, it worked. It worked so well that the F-15 ...