Air Force Jet X-51A Goes Hypersonic, Zooms Five Times Speed Of Sound

Air Force Jet X-51A Goes Hypersonic, Zooms Five Times Speed Of Sound | Singularity Hub: "The United States Air Force has a serious need for speed. On May first their X-51A Waverider zoomed to an amazing Mach 5.1 – more than five times the speed of sound. While there was no pilot behind the stick of the hypersonic jet, the knowledge gained in developing and flying the X-51A paves the way for the hypersonics of the future."