Key Points and Summary – NASA’s X-43A wasn’t a paper study—it was a 12-foot, hydrogen-fueled experimental jet that proved an air-breathing engine could fly...
Key Points and Summary – A retrospective on the 1980s Enhanced Tactical Fighter competition concludes the Pentagon wisely chose the F-15E over the F-16XL....
Key Points and Summary – NASA’s X-43A was a small, unmanned Hyper-X demonstrator that proved scramjet, air-breathing propulsion at true hypersonic speed. -Air-dropped from...
Key Points and Summary – NASA and Grumman’s X-29 was a 1980s–90s technology demonstrator that flipped convention with forward-swept wings and canards to probe...