Aerospace and Mechanical Insider on MSN

America hit Mach 9.6, then shelved the Mach 15 follow-up

“Scramjet-powered vehicles are envisioned to operate at speeds up to at least Mach 15,” NASA said after this program for ...
Aerospace and Mechanical Insider on MSN

NASA hit Mach 9.6, then America let the record stall

No air-breathing aircraft has beaten NASA’s 2004 X-43A speed record. That detail remains notable in light of the small size, ...
Twenty-two years after NASA sent the X-43A screaming across the Pacific at Mach 9.6, the United States is spending heavily to turn hypersonic speed into usable military power. The Defense Department’s ...
NASA has slipped the next test of the X-43A hypersonic testbed until late January 2004, because of an intermittent failure in an actuator associated with its air-launched Pegasus booster. NASA's B-52 ...
NASA’s second attempt to fly an X-43A air-breathing hypersonic test aircraft is set for mid-December. The first effort ended with the destruction of the vehicle over the Pacific on 2 June 2001.