# Missile Defense: Recent Acquisition Policy Changes Balance Risk and Flexibility, but Actions Needed to Refine Requirements Process
> **GAO Report** · 2021-11-10 · `gao-22-563`
## Report
- **GAO ID:** gao-22-563
- **Type:** Report
- **Published:** 2021-11-10
## Source
- [GAO product page](https://www.gao.gov/products/gao-22-563)
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