GE and Kratos Complete High-Altitude Testing of GEK800 Fighter Engine
GE Aerospace and Kratos have successfully finished high-altitude tests on their GEK800 turbofan engine, developed to power affordable uncrewed tactical aircraft. This engine is designed to offer a cost-effective alternative to traditional fighter engines.
Testing Overview
The companies announced on October 31, 2025, the successful completion of altitude stand testing for the GEK800. Lab testing began at Purdue University, Indiana, focusing on simulated altitudes between 5,000 and 35,000 feet. The testing program included evaluations of durability and operational limits.
Engine Goals and Collaboration
- The GEK800 aims to deliver moderate thrust and aerodynamic performance.
- It is intended to be significantly cheaper than conventional fighter engines.
- The collaboration between GE Aerospace and Kratos began in 2024 to jointly develop this turbofan.
“This collaboration has been instrumental in advancing the engine’s development, validating its performance and accelerating its path toward production,” says Stacey Rock, president of Kratos Turbine Technologies.
“Together, we’re delivering on our shared commitment to provide high-performance, affordable propulsion systems that can be rapidly produced to meet the demands of our defence customers,” she adds.
Summary
The GEK800 project demonstrates a focused effort to create a cost-efficient, reliable turbofan engine for uncrewed tactical aircraft, advancing rapid production capabilities to meet defense needs.