Related Clues:

• They were wiped off the map in '91
• Much of eastern Eur., once
• Putin's 1980s employer
• Members of a Cold War union (abbr.)
• Old map divs
• C.I.A. : U.S. :: ___ : Soviet Union
• Latvia and Estonia, once: Abbr
• Enemy org. in many a spy thriller
• USSR secret police
• The Stans were among them: Abbr
• 15 divs. on old maps
• Cold War spy gp
• Much of E. Eur., once
• Org. in some le Carré novels
• Historical group of 15, for short