Related Clues:
- Estonia and Latvia, once: Abbr
- Org. that 'Moscow Centre' represents in George Smiley novels
- Bygone CIA nemesis
- Lith. and Latv., once
- CIA : USA :: ___ : USSR
- Black Widow's former org
- Spy grp. from 1954-'91
- Divisions in an outdated atlas: Abbr
- Soviet intelligence org
- Security org. dismantled in 1991
- Org. in many John le Carre novels
- Former geopolitical states: Abbr
- Spy org. in "The Americans"
- Bygone pol. divisions
- Cold War satellites, briefly