Last seen in:
Related Clues:
- Code-cracking org.
- Codebreakers' org.
- Decryption org.
- Personal ad abbr.
- Intelligence org.
- Fed. hush-hush group
- Govt. code crackers
- 'Enemy of the State' org.
- U.S. code and cipher grp.
- Largest U.S. employer of mathematicians
- Ultrasecret org.
- Intelligence gathering dept.
- Code-cracking intelligence org.
- National code-cracking org.
- Top secret org.