Glossary: Issues

This glossary explains the key technical terms and abbreviations used in this chapter.

Abbreviation / Term	Explanation
CPFH	Cost per Flight Hour — cost per flight hour.
GAO	Government Accountability Office — US government audit office.
Kill Switch	Theoretical possibility of remotely deactivating a weapon system.
Mission Capable Rate	Mission capable rate — historically below 65 % for the F-35.
Single-Engine	Single-engine design — no redundancy protection in case of engine failure.

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As of March 2026. All information is based on publicly available sources.