Related Clues:

• Org. that advises the N.S.C.
• Spy org.
• K.G.B.'s cold war foe
• Govt. intelligence org.
• Hush-hush govt. group
• Hush-hush org.
• Tom Clancy subj.
• Secretive org.
• Fact-gathering grp.
• Hush-hush D.C. org.
• 'Harlot's Ghost' subj.
• Iran-contra org.
• Spy's org.
• Eavesdropping org.
• Secret employer, maybe