California startup Stratolaunch completed the first powered flight of its Talon-A hypersonic vehicle as it works to develop a reusable version that’s capable of carrying science payloads and flying them at five times the speed of sound.
X-planes are a class of experimental aircraft designed to test and demonstrate new innovations in flight—some were created for NASA, others for DARPA or the U.S. military. The first X-plane, X-1, was flown by Chuck Yeager in the 1940s and was the first craft to fly faster than the speed of sound. Over the decades,…
A secretive launch planned for this week from Florida’s Cape Canaveral could be a test of a hypersonic weapon as the U.S. tries to catch up with the speedy missiles of Russia and China.