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

Dec 5, 2025 · Hypersonic weapons are in the spotlight. Here’s how they work, why they matter, and what current programs in Russia, China, India, and the US reveal about the technology and its limits.

Jul 22, 2025 · The United States has actively pursued hypersonic weapons — maneuvering systems that can travel at speeds of Mach 5 and greater — since the early 2000s.

Apr 3, 2025 · The Hypersonic Technology (HT) Project organizes its work into distinct research topic areas. HT explores four key topics in hypersonics: system-level design, analysis, and validation; …

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 · The Navy is seeking to boost prototype efforts for hypersonic all-up-rounds of varying sizes and launch capabilities, according to a request for solutions released today. The Multi-Service …

Hypersonic vehicles can reach speeds exceeding 4,000 miles per hour—fast enough to reach Baltimore from Washington in about 30 seconds—and aggressors equipped with hypersonic missiles can …

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 race pushing …

Defined as flight at speeds greater than Mach 5 (five times the speed of sound), hypersonic flight has significant implications for both military and civilian applications.

5 days ago · Lockheed’s L-301 or X-24C hypersonic testbed promised Mach 8 scramjet flight in the 1970s—until budget cuts and the Space Shuttle killed it. Here’s what America lost.