A New Chapter in Hypersonic Weaponry
The United States is on the cusp of deploying a new generation of hypersonic missiles that could fundamentally reshape how the military projects lethal force across domains. Ursa Major, a Colorado-based defense manufacturer best known for its rocket propulsion work, publicly debuted its HAVOC missile system on Tuesday, revealing a medium-range hypersonic weapon designed with an unprecedented degree of launch flexibility.
Unlike existing hypersonic prototypes that are tailored to a single platform, HAVOC is engineered from the ground up to operate across fighter aircraft, strategic bombers, ground-based vertical launch systems, and even orbital deployment scenarios. That multi-domain versatility addresses one of the Pentagon's most persistent procurement headaches: fielding a single weapon system that can be integrated across service branches without expensive, platform-specific redesigns.
Liquid Rocket Power and Variable Speed
At the heart of HAVOC sits a liquid rocket engine — a departure from the solid-fuel boosters that power most tactical missiles. Liquid propulsion gives the system a critical advantage: the ability to throttle and alter its speed in flight. A solid-fuel motor burns at a fixed rate once ignited, but a liquid engine can be modulated, allowing HAVOC to accelerate through defended airspace or adjust its terminal approach velocity to defeat specific countermeasures.
This variable-speed capability is especially significant in contested environments where adversaries deploy layered air defense systems. A missile that can sprint to hypersonic speeds during its midcourse phase and then adjust its energy state for terminal maneuvers presents a far more complex targeting problem for defenders than a projectile traveling at a constant velocity.
Ursa Major has also designed the propulsion system to be compatible with a variety of rocket motor configurations. That modularity means the same basic airframe could be paired with different engine variants depending on the mission profile, range requirements, or the physical constraints of the launch platform.







