# High Altitude Electromagnetic Pulse (HEMP) and High Power Microwave (HPM) Devices: Threat Assessments
> **Long Report (Legacy)** · 2008-07-21 · `RL32544`
## Report
- **CRS ID:** RL32544
- **Series:** Long Report (Legacy)
- **Publication date:** 2008-07-21
## Documents
- [PDF](https://www.everycrsreport.com/files/20080721_RL32544_9e6f2375816d0968cb1a62fe43056072492ded0a.pdf)
- [HTML](https://www.everycrsreport.com/files/20080721_RL32544_fbfddaf5d80a2ea06c412511e2ca104ef0ffd637.html)
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