Related Clues:

• US intelligence org.
• Bug-loving gp.?
• Cryptanalysis gp.
• Supersecret org.
• Personals shorthand for casual romance
• 'The Puzzle Palace' org.
• Top-secret gp.
• Super-secretive government org.
• Controversial wiretapping gp.
• DOD component
• Cryptologist's org.
• Top-secret govt. org.
• Here, in Havana
• Ft. Meade-based org.
• Here, in Spain