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 ...

Screenshot from social media post of Ukrainian volunteers assembling a small cruise missile with a pulsating Trembita engine. Its task is to destroy objects and exhaust the enemy’s anti-aircraft ...

In an age defined by global competition, geopolitical uncertainty and technological interdependence, the strength and resilience of the United States’ defense and aerospace manufacturing base are more ...