Here’s a cool Quiet Super-Sonic Transport being developed by Lockheed Martin. It is designed to fly at speed of Mach 1.6 to Mach 1.8 which would be a great thrill ride for anyone with no heart problems. (That means you can’t fly on it if you just broke up with your girlfriend or boyfriend…)
Developed under a $25-million contract from Supersonic Aerospace International (SAI), the 12-passenger (+3 crew) QSST would
