Key Points and Summary - Lockheed’s SR-72 “Darkstar” is a dazzling but unnecessary luxury. -Despite promises of Mach-6 speed, TBCC propulsion, high-altitude survivability, stealth, and strike roles, ...

We take a look at the ten fastest planes ever flown. Though some uncrewed aircraft (like the X-43) have flown faster, they ...

Despite claims of Mach 2.54, pilots report that the fastest speeds achieved in practice are Mach 2.25–2.3 in brand-new ...

Key Points and Summary - The XB-70 Valkyrie was the U.S. Air Force’s bid to outrun Soviet defenses: a six-engine, compression-lift bomber built for sustained Mach 3 at extreme altitude. -National ...

DARPA and the US Air Force have started the High Mach Gas Turbine (HMGT) program to develop reusable hypersonic planes. The core technology revolves around Turbine Based Combined Cycle (TBCC) ...