The SR-71 Blackbird, the world’s fastest air-breathing manned aircraft, held its speed record not because of its airframe’s ...
A comparison of the legendary SR-71 Blackbird and its proposed successor, the SR-72 “Darkstar,” reveals a massive leap in ...
NASA's experimental X-43A didn't have a pilot and couldn't fly independently, but its blisteringly high speeds showed that hypersonic flight was possible.