FINALLY: Going supersonic! NASA’s X-59 jet breaks sound barrier for the 1st time. “The X-59, a long-nosed demonstrator designed to help develop the tech required for ‘quiet’ supersonic flight, notched the milestone on Friday (June 5), more than six months after getting off the ground for the first time.”
This image from the Retrofuture Vault on Facebook captures the 21st Century I was expecting:
