Related Clues:

• Fort Meade org.
• Top-secret grp.
• Org. for U.S. cryptologists
• Cipher org.
• Hush-hush gp.
• CIA relative
• Secret org.
• Org. with its HQ at Fort Meade, Md.
• Wire-tapping org.
• Cryptology org.
• US intelligence org.
• Bug-loving gp.?
• Cryptanalysis gp.
• Supersecret org.
• 'The Puzzle Palace' org.