The company's novel rocket engine could be a game changer for the U.S. military.

Building a Black Hawk jet engine kit brings together detail, engineering, and a seriously cool final look that stands out ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Preview this article 1 min This founder was flying planes ...

The idea of a hybrid-electric engine for supersonic aircraft may elicit a similar initial response, but there is some very firm engineering logic behind it. Put simply, conventional supersonic engines ...