National Security Journal on MSN
The Mach 6 SR-72 Darkstar ‘Scramjet’ Has a Message for the U.S. Air Force
The secretive SR-72 “Darkstar” is Lockheed Martin’s ambitious project to build a Mach 6+ hypersonic ISR and strike aircraft. ...
Russian President Vladimir Putin, dressed in a military uniform, announced on Oct. 26, 2025, that Russia had successfully ...
Embed <iframe src="https://www.npr.org/player/embed/1829839/1829840" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player"> NPR's ...
Supersonic combustion and scramjet engine dynamics represent a frontier in aerospace propulsion, offering a pathway to ultra‐high-speed flight through the efficient combustion of fuel in a supersonic ...
testing at Mach 6.5 is expected to be completed later this month. This engine, known as the Ground Demonstration Engine (GDE-1), uses standard JP-7 fuel in an ...
Alliant Techsystems, the Defense Advanced Research Projects Agency (DARPA) and the Office of Naval Research (ONR) successfully ground-launched and flew a hypersonic scramjet-powered vehicle from the ...
The US Air Force said it was looking to launch its 14-foot long X-51A Waverider on its first hypersonic flight test attempt May 25. The unmanned X-51A is expected to fly autonomously for five minutes, ...
The DART AE is a 3.5 m long single-use hypersonic vehicle powered by a SPARTAN scramjet engine that, according to developer Hypersonix Launch Systems, has a top speed of Mach 7 and a range of 1,000 km ...
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