The live fire test successfully concludes the second stage of the demonstrator programme, carried out by Rheinmetall Defence on behalf of Germany's Federal Office for Defence Technology and Procurement (BWB). The company will now submit a budget proposal for final development, pre-production preparations and serial manufacture.

With Corect, Rheinmetall engineers at the company's Stockach and Unterluess plants have developed an advanced satellite-supported guidance system that significantly enhances the accuracy of ballistic artillery systems. The new system reduces deviation from the intended target to less than 50 m, a clear improvement over currently fielded artillery systems, which sometimes miss their targets by several hundred metres.

This increase in accuracy enables reduced warhead weight without sacrificing effectiveness. Compared to the original MLRS rocket, the Corect-MLRS has a considerably greater maximum effective range - without having to modify the rocket engine.

The Corect guidance module makes this possible. Throughout the flight, an integrated GPS receiver determines the current position of the projectile. A magnetic field sensor mounted on the rocket measures the earth's magnetic field, while an onboard processor calculates the way the rocket is banking. Based on this data, the onboard processor calculates the rocket's deviation from its intended flight path. It then initiates precisely timed impulses for correcting the rocket's lateral and elevation direction by activating the rocket's radially operating micro jets.

During the live fire trial, every component of the Corect guidance module functioned perfectly. The GPS kept accurate track of the rocket's position, while the onboard processor calculated all deviation from the intended trajectory; the correction impulses proved highly effective, resulting in complete mission success. All data collected on board the rocket and transmitted back by telemetry, as well as flight data externally gathered by radar, are now available for precise evaluation.

"Corect is a pioneering system for satellite-supported trajectory correction that's unequalled worldwide", declares Dr.-Ing. Wolfgang Kreuzer, head of development in Stockach and project manager for the demonstrator programme. "It boosts the precision and range of rocket artillery, and saves costs by reducing the amount of ammunition needed to accomplish the mission. And now we've proved that it can be used for modernizing legacy rocket systems, too, large numbers of which were stockpiled years ago", adds Dr. Kreuzer, noting that Corect can also be integrated into new weapon systems.

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