Related Clues:
- Former bloc letters
- Moldova, e.g.: Abbr.
- Old Russ. state
- 1984 Summer Olympics boycotter
- 'The Kremlin Letter' state
- Belarus or Ukraine, once: Abbr.
- Latvia letters, once
- Empire until 1991: Abbr.
- Cold War foe, briefly
- KGB creator
- Former part of 11-Down: Abbr.
- 1980 Winter Olympics host
- Old map inits.
- CCCP, in English
- Lith. or Est., once