# GPS Alternatives: DOD is Developing Navigation Systems but is Not Measuring Overall Progress
> **GAO Report** · 2022-08-05 · `gao-22-106010`
## Report
- **GAO ID:** gao-22-106010
- **Type:** Report
- **Published:** 2022-08-05
## Source
- [GAO product page](https://www.gao.gov/products/gao-22-106010)
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