Northrop Grumman's Advanced Hypersonic Technology Inertial Measurement Unit (AHT IMU) has surpassed expectations in its third major test, this time onboard a sounding rocket. The trial confirmed the unit's ability to withstand extreme g-forces, altitudes, and velocities beyond projected limits.

The navigation system demonstrated reliable operation in GPS-denied environments, validating its role in enabling precision targeting at hypersonic speeds. The ruggedized IMU maintained functionality while capturing high-value inertial data in conditions typical of hypersonic and spaceflight.

Reusability was also proven. Over six months, the AHT IMU performed three tests, including earlier demonstrations on a reusable hypersonic vehicle. This consistent performance highlights its durability and mi

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