NASA Center Boosted YF-12 Supersonic Engine Research

official news from : https://bit.ly/2QkyIbY

Supersonic flight became a reality in October 1947, when the Bell X-1 rocket plane broke the sound barrier. NASA’s Lewis Research Center in Cleveland (now, NASA Glenn), which had served as the agency’s aeropropulsion leader since it was established in the 1940s, subsequently helped NASA advance the technology needed to make longer supersonic flights possible. […]