Related Clues:
- 'S*P*Y*S' org.
- Org. in many spy novels
- Post-WWII grp.
- Iceland is part of it: Abbr.
- Info supplier for a natl. security briefing
- Port. is part of it
- 9/11 Commission subj.
- Alliance headquartered in Brussels
- Snoop grp
- Org. with moles
- Intl. defense alliance
- Treaty acronym
- Atlantic defence org.
- Org. based in Langley, Va.
- Subj. of many conspiracy theories