NASA’s X-43A scramjet aircraft hit Mach 9.64 at 110,000 feet in November 2004—and that record for an air-breathing aircraft still stands more than two...
Synopsis: The X-20 Dyna-Soar was a Cold War-era attempt to build a reusable, piloted, winged spaceplane that could ride a booster into space, “skip”...
Summary and Key Points: The F-16XL remains one of American aviation’s great “what-ifs”—a stretched F-16 with a distinctive cranked-arrow wing built as a low-risk,...