Latest test reportedly took place several weeks ago, but was kept quiet to avoid appearing to escalate geopolitical tensions surrounding Russian invasion of Ukraine
www.timesofisrael.com
The Defense Advanced Research Projects Agency (DARPA) said it had recently completed a free-flight test of an aircraft-launched hypersonic missile that maintained a speed of more than Mach 5, or five times the speed of sound (at least 3,800 miles per hour, or 6,100 kilometers per hour).
'Bu-bu-but that's not possible with our level of tech, therefore, it's ALIENS!!!'