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