While this engine isn't first, the x-43 wasn't first either. HyShot was the first also made by these guys.
Perhaps this engine was using a different fuel than the earlier engines but the reporter just went for an easy "WORLD FIRST SCRAMJET" headline?
Slashdot Mirror
While this engine isn't first, the x-43 wasn't first either. HyShot was the first also made by these guys. Perhaps this engine was using a different fuel than the earlier engines but the reporter just went for an easy "WORLD FIRST SCRAMJET" headline?