This Is Strange: The X-43A Hyper-X was NASA's groundbreaking scramjet-powered experimental aircraft, setting records in 2004 by reaching speeds close to Mach 10 ... rates of speed when traveling ...

Hot exhaust shooting out of the back of the jet propels it forward at high speed. At a post-flight ... reaching almost Mach 7. However, with NASA now dedicating the bulk of its resources to ...

NASA’s X-59 quiet ... “Having speed hold offload some of that workload makes first flight that much safer.” At speeds exceeding Mach 1 (approximately 767 mph at sea level), this precision ...