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Related Clues:
- Org. under scrutiny concerning surveillance
- Eavesdropping org.
- Code-breaking gp.
- Fort Meade org.
- Top-secret grp.
- Org. for U.S. cryptologists
- Cipher org.
- Hush-hush gp.
- Personal ad letters
- CIA relative
- Secret org.
- Org. with its HQ at Fort Meade, Md.
- Abbr. in a personals ad
- Wire-tapping org.
- Cryptology org.