Key Points and Summary - The X-51 Waverider’s 2013 flight—air-launched from a B-52 and accelerating to Mach 5.1—remains the longest air-breathing hypersonic run on record and a pivot point for U.S.

When you're building a jet that exponentially accelerates past Mach 6 -- as one does -- you need to come up with a way to get it off the ground. Scramjets, or Constant Volume Combustion (CVC) engines, ...

India-based Defence Research & Development Laboratory (DRDL) has achieved a significant milestone by conducting a successful ...