The pilot glanced outside his cockpit and froze. He blinked hard and looked again, hoping it was just a mirage. But his co-pilot stared at the same horrible vision.
"My God, this is a nightmare," the co-pilot said.
"He's going to destroy us," the pilot agreed.
The men were looking at a gray German Messerschmitt fighter hovering just three feet off their wingtip. It was five days before Christmas 1943, and the fighter had closed in on their crippled American B-17 bomber for the kill.
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