China’s rumored sixth-generation J-36 is being marketed as a “need for speed” stealth fighter, with reports pegging it at roughly Mach 2.5. -That figure is unconfirmed, but it raises the real question ...

Key Points and Summary - This analysis debates the U.S. Air Force's need for the secretive, Mach 6+ SR-72 hypersonic aircraft. -Proponents laud its game-changing speed, arguing it can penetrate any ...

Boeing's claim that the F-15EX could reach Mach 2.9 has been "amended". The official number is more like Mach 2.5. In a quick about-face, Boeing’s BA F-15 business development director amended his ...