National Security Journal on MSN

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 National Interest on MSN

China’s twin-seat J-20S fifth-gen warplane is a gamechanger against America

The J-20S was designed for air dominance, beyond-visual-range (BVR) engagements, and precision attacks on ground and sea ...