US EditionThe Mach 6.7 Monster: Why the X-15’s Speed Record Still Stands in 2026
The X-15’s Mach 6.7 speed record from 1967 remains unbeaten due to its powerful rocket, advanced heat-resistant design, and piloted hypersonic flight challenges.
2 Articles
2 Articles
The Mach 6.7 Monster: Why the X-15’s Speed Record Still Stands in 2026
Summary and Key Points: The X-15 program, spanning 199 flights between 1959 and 1968, pushed the boundaries of aeronautics into the hypersonic realm. Capable of reaching altitudes of 102,000 feet, the aircraft utilized a 57,000-pound thrust rocket engine that burned for only 60 seconds but propelled the pilot to Mach 6.7. X-15 Harry J. Kazianis National Security Journal Photo. -Designed with a blunted nose and thick, blunt leading edges to manag…
Mach 15 Mystery: The Secret NASA Program That Almost Changed Hypersonic Flight
Summary and Key Points: While the world watches the current hypersonic arms race, the U.S. previously shattered records with the X-43A Hyper-X, reaching a staggering Mach 9.6 in 2004. -Using a revolutionary hydrogen-fueled scramjet launched from a B-52, NASA proved that air-breathing engines could outrun nearly any missile on Earth. -However, the true “holy grail” […] The post Mach 15 Mystery: The Secret NASA Program That Almost Changed Hyperson…
Coverage Details
Bias Distribution
- 50% of the sources are Center, 50% of the sources lean Right
Factuality
To view factuality data please Upgrade to Premium
