National Security Journal on MSN

NASA’s X-43A Scramjet Almost Hit Mach 10 But Got the Hypersonic ‘Axe’

A’s Legacy Go Operational? -In 2004, NASA’s X-43A set the air-breathing speed record at Mach 9.6, validating scramjet combustion but only for 10 seconds before gliding to splashdown. -The demo ended ...
Flying

NASA’s Quiet Supersonic X-59 Nears First Flight

NASA test pilot Nils Larson gets in the cockpit for X-59 ground testing at Lockheed Martin’s Skunk Works facility in California. [Courtesy: Lockheed Martin] NASA and Lockheed Martin’s supersonic X-59 ...