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

Mar 13, 2026 · In the field of aerodynamics, hypersonics is generally associated with flight through an atmosphere at speeds in excess of Mach 5, i.e. five times the local speed of sound.

Hermeus is a high-speed aircraft manufacturer focused on the rapid design, build, and test of high-Mach and hypersonic aircraft for the national interest. Working directly with the Department of War, …

Sep 8, 2025 · There are two main types of hypersonic weaponry: (1) hypersonic cruise missiles (HCMs) and (2) hypersonic glide vehicles (HGVs). Both systems are designed to impact targets …

Hypersonic vehicles often feature blended bodies with tightly integrated propulsion systems, in stark contrast to the separate airframe and engine architectures of subsonic and supersonic aircraft.

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 standard on the …

4 days ago · Rocket Lab just signed a $190 million contract for 20 hypersonic test launches with a 100% success rate — 7 for 7 at Mach 5+. The tests support the Army's "Dark Eagle" — a Mach 5 …

2 days ago · A new Innovative Naval Prototype (INP) program is looking to advance the service’s hypersonic portfolio by combining its past investments and prior applied research into a combined …

5 days ago · The U.S. Military Is Already Deploying Suborbital Hypersonic Vehicles Capable of Flying at over Mach 5 The Pentagon just paid $190 million for 20 rides on a rocket that never reaches space.

3 days ago · Ursa Major said its Hadley liquid rocket engine completed 10 flights, including multiple hypersonic missions with Stratolaunch’s reusable Talon-A vehicle.