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Kratos, GE Aerospace Win JASSM Engine Contract

August 17, 2026

2 min read

Key Takeaways

Kratos and GE Aerospace's GEK800 engine receives US military type designation F143-ZZ-100.
The engine is selected as a second-source propulsion system for the Joint Air-to-Surface Standoff Missile (JASSM).
The program has completed over 50 engine starts in ground testing and altitude testing in 2025.
The engine targets long-range missiles and uncrewed applications.

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Strategic Implications

This contract award may indicate the US military's interest in diversifying propulsion systems for key missile programs. The selection of the GEK800 engine suggests a focus on high-performance, low-cost solutions for uncrewed applications, which could benefit Kratos and GE Aerospace in future defense contracts.

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What Happened

GEK800 Turbofan Earns Second-Source Propulsion Designation

Kratos Defense and GE Aerospace have announced that their jointly developed GEK800 engine has received the US military type designation F143-ZZ-100 and an Engineering, Manufacturing and Development (EMD) contract from the US Air Force as a second-source propulsion system for the Joint Air-to-Surface Standoff Missile (JASSM). The engine, an 800-lb thrust turbofan, is designed for long-range missiles and uncrewed applications. The program has completed over 50 engine starts in ground testing and altitude testing in 2025. This development was reported by an unknown source.

Source | Originally Published: August 17, 2026

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Technology & Systems

Kratos, GE Aerospace Win JASSM Engine Contract

August 17, 2026

2 min read

Key Takeaways

Kratos and GE Aerospace's GEK800 engine receives US military type designation F143-ZZ-100.
The engine is selected as a second-source propulsion system for the Joint Air-to-Surface Standoff Missile (JASSM).
The program has completed over 50 engine starts in ground testing and altitude testing in 2025.
The engine targets long-range missiles and uncrewed applications.

Silver membership required Upgrade to Silver to access Key Takeaways.

Upgrade

Strategic Implications

Silver membership required Upgrade to Silver to access Strategic Implications.

Upgrade

What Happened

GEK800 Turbofan Earns Second-Source Propulsion Designation

Source | Originally Published: August 17, 2026

Companies Mentioned

Kratos Defense GE Aerospace US Air Force