12 of the Weirdest X-Plane Designs

X - planes are a class of data-based aircraft designed to prove 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 vaporize by Chuck Yeager in the 1940s and was the first slyness to take flight faster than the speed of sound . Over the decennium , these aircraft have bear on the edge of what humans can do in the air . Here are some of the more off-the-wall products of our taxpayer dollars , ones that confound our distinctive reason of what a plane looks like .

An earlier adaptation of this news report was published on January 21 , 2022 .

AircraftBoeingConcordeLockheed Martin

Eight experimental aircraft tested by NASA (one of which has made our list—can you guess which?).