USAF will attempt hypersonic flight for the fourth time

The U.S. military is hoping that the fourth time will be the charm when it comes to its experimental hypersonic flight program, following a third failed attempt to achieve Mach 6, according to a report from The Associated Press. Once a year since 2010, the Air Force has conducted a test of the unmanned, experimental X-51A Waverider aircraft, the most recent attempt coming two months ago... To continue reading, subscribe to Science Recorder today.