The world's first hydrogen-fueled hypersonic jet may be able to reach a simply astounding speed of 12 times the speed of sound. That's about half the speed of satellites in low Earth orbit. The ...
Germany has awarded Polaris Spaceplanes a contract to develop and flight test a two-stage ...
For years, the United States has trailed behind Russia and China in hypersonic weapons. A new engine prototype by Lockheed Martin and General Electric could help it catch up.
The Delta Airlines deal comes on the heels of GE Aerospace and Lockheed Martin completing engine tests for hypersonic ...
Polaris will build a two-stage, horizontal take-off and fully reusable hypersonic research vehicle, featuring a linear aerospike rocket engine. German company Polaris Spaceplanes announced on Jan. 27, ...
The military portal Defense Express, the HYTEV is to be built by Bremen-based startup Polaris Raumflugzeuge, which was ...
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