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Kratos and GE Aerospace complete first ignition of GEK800 turbofan engine
The Sept. 21, 2026 milestone marks the first ignition of Serial Number 1, officially designated the F143, aimed at addressing turbine propulsion as a production bottleneck for mass unmanned defense systems.
Kratos Defense & Security Solutions and GE Aerospace announced the successful first ignition of their jointly developed GEK800 turbofan engine at the Kratos X-58 test facility on Sept. 21, 2026. The engine validation centers on scalable propulsion for high-performance cruise missiles and attritable strike systems, with the ignition tied to Serial Number 1, officially designated the F143.
The companies said the effort targets a key constraint in shifting military strategy toward mass-manufactured autonomous systems and stand-off strike capabilities. While flight software and composite airframes have advanced, turbine engine production has remained a bottleneck, particularly for jet engines that must be both dependable and affordable to manufacture at scale.
Kratos and GE Aerospace attributed legacy engine hurdles to specialized superalloys, hand-fitted components, and complex supply chains that can take years to build and cost millions of dollars per unit. They said low-cost autonomous airframes require a different propulsion model, aimed at delivering high subsonic performance while supporting rapid assembly and a fraction of legacy costs.
The engine was developed through collaboration between GE Aerospace’s Edison Works Advanced Combat Engines division and Kratos’ Turbine Technologies Division, as the companies position the F143 milestone as a practical step toward scaling next-generation defense aviation.