Bob Maddox’s stage name, Crazy Rocketman, is a misnomer. Maddox doesn’t build rockets. He builds pulse-jet engines. There’s a difference. As for the crazy part—that may be true. Maddox is the world’s ...

American aerospace giant Boeing has taken a bit of tarnish of late. A pair of deadly crashes and other lesser malfunctions have sullied the reputations of the latest iterations of the brand's 737 Max ...