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Related Clues:
- Surveillance grp
- Ultrasecret govt. org
- Org. with its own cryptologic museum
- Dept. of Defense org
- Document to protect confidential info: Abbr
- Govt. code-breaking org
- Intelligence-gathering org
- Code-cracking govt. org
- C.I.A. sister service
- Big data org
- Subj. of 2013 leaks
- Government intel org
- Intel-gathering org
- Metadata-tracking org
- "Snowden" org