"NASA has made aeronautics history by launching an experimental jet that reached a record velocity of just over seven times the speed of sound," CNN reports."Fifty-seven years after test pilot Chuck Yeager broke the sound barrier, NASA on Saturday launched the unpiloted [X-43A] research jet. It is the first time a supersonic-combustion ramjet, or scramjet, which uses air for fuel, had traveled so fast."Slashdot has more here. And here's an article of mine from November on the Pentagon's supersonic efforts.
NASA JET HITS MACH 7
© Copyright 2020 Military.com. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.