# F-35 Joint Strike Fighter: Cost and Schedule Risks in Modernization Program Echo Long-Standing Challenges
> **GAO Report** · 2021-07-13 · `gao-21-105282`
## Report
- **GAO ID:** gao-21-105282
- **Type:** Report
- **Published:** 2021-07-13
## Source
- [GAO product page](https://www.gao.gov/products/gao-21-105282)
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*MORVS · CC0 1.0*