NASA’s X43 scramjet test plane flew at speeds exceeding mach 7 and altitudes of 100,000 feet today. I believe that’s a new air-breathing speed record. GlobalSecurity.org has a nice wite-up on it.
NASA’s X43 scramjet test plane flew at speeds exceeding mach 7 and altitudes of 100,000 feet today. I believe that’s a new air-breathing speed record. GlobalSecurity.org has a nice wite-up on it.