In aerodynamics, hypersonic speed refers to speeds much faster than the speed of sound, usually more than approximately Mach 5. [1][2] [3]

Apr 3, 2025 · NASA is working to enable routine, reusable, airbreathing hypersonic flight by conducting fundamental and applied research to enable a broad spectrum of hypersonic …

We are developing game-changing hypersonic solutions to ensure our customers are always ready for what’s ahead. Traveling at Mach 5 (or a mile a second) and above is the new …

Sep 27, 2023 · Hypersonic speed is five times the speed of sound. Scientists measure speeds this fast with a Mach number, named for Austrian physicist Ernst Mach. Sound has a speed of …

Hypersonic flight involves traveling at speeds greater than Mach 5, revolutionizing air travel and defense with rapid, high-altitude capabilities.

Hypersonic flight is generally defined as speeds at or beyond Mach 5. From an engineering perspective, hypersonics is best understood as a multidisciplinary regime where fluid …

From boost-glide vehicles to scramjet-powered cruise missiles, this article explores the extreme physics of hypersonic flight, the advanced materials that make it possible, and the global arms …

Aug 7, 2025 · Hypersonic speed is defined as Mach 5 or greater—five times the speed of sound, or over 3,800 mph at sea level. At these velocities, traditional aerodynamics no longer apply. …

Dec 15, 2025 · US’ new hypersonic missile can hit targets 2,175-mile away in just 20 minutes Previous Pentagon disclosures had put Dark Eagle’s range at a minimum of 1,725 miles.

Dec 15, 2025 · The Army’s Dark Eagle, also known as the Long Range Hypersonic Weapon (LRHW), is a trailer-launched hypersonic boost-glide vehicle system that can travel long …