Stealth: The Secret Contest to Invent Invisible Aircraft

On a moonless night in January 1991, a dozen U.S. aircraft appeared in the skies over Baghdad. To the Iraqi air defenses, the planes seemed to come from nowhere. Their angular shape, making them look like flying origami, rendered them virtually undetectable. Each aircraft was more than 60 feet in length and with a wingspan of 40 feet, yet its radar footprint was the size of a ball bearing. Here was the first extensive combat application of Stealth technology. And it was devastating.

Peter We...