Lockheed Martin says it’s developing a Mach 6 aircraft that would be faster than any other fighter jet. Called the Hypersonic Test Vehicle 3X, or HTV-3X, the new plane could reach speeds of more than ...

Lockheed Martin CEO Marillyn Hewson announced on Tuesday that the aerospace company has made "several breakthroughs" on a hypersonic warplane that could reach Mach 6, known as the Hypersonic Test ...

Scramjet from Popular Science. The first true reusable, free-flying scramjet could be Darpa's HTV-3X. It is also known as Blackswift. The HTV-3x could make its inaugural flight as early as 2012.

The Blackswift Hypersonic program may not get fully funded for the $750 million that it needs, but the program has a lot of interesting technology and innovations for greater efficiency. This ...

Lockheed Martin CEO Marillyn Hewson announced on Tuesday that the aerospace company has made "several breakthroughs" on a hypersonic warplane that could reach Mach 6, known as the Hypersonic Test ...