After the booster rocket (a modified first stage of the Pegasus rocket) brought the stack to the target speed and altitude, it was discarded, and the X-43 flew free using its own engine, a …

Jan 5, 2024 · An artist's conception of the X-43A Hypersonic Experimental Vehicle, or "Hyper-X" in flight. NASA made aviation history with the first successful flights of a scramjet-powered …

Dec 3, 2025 · NASA’s X-43A unmanned scramjet testbed nearly hit Mach 10, proving hypersonic flight is real and reshaping today’s race for ultra-fast weapons.

Key Points - NASA's X-43A hypersonic research vehicle, part of the "Hyper-X" program, still holds the world record for an air-breathing aircraft, achieving a speed of Mach 9.64 (6,363 mph)...

NASA’s X-43A experimental aircraft set the world speed record for a jet-powered aircraft 20 years ago on Nov. 16, 2004. The flight demonstrated that an advanced form of air-breathing jet...

This paper provides an overview of the final flight of the NASA X-43A project. The project consisted of three flights, two planned for Mach 7 and one for Mach 10.

Nov 29, 2025 · This guide explores NASA’s forgotten X-43 Hyper X concept, how it fits within the agency’s ambitious hypersonic roadmap, and why ideas like it remain relevant as the US Air …

Key Points and Summary on X-43A - NASA's X-43A was a small, unmanned experimental aircraft that, in 2004, shattered world records by flying at nearly Mach 10 (almost 7,000 mph),...

In 2004, NASA's X-43A scramjet made history by reaching the unprecedented speed of Mach 9.64. This hypersonic marvel showcased the potential of air-breathing propulsion technologies …

The X-43A Hyper-X Supersonic Combustion Ramjet testbed is designed to demonstrate a new air-breathing engine technology that will allow flight in the atmosphere at speeds several times …