Related Clues:
- Red states, once, in brief
- Losing team in the "Miracle on Ice" hockey game
- Fallen Russian govt
- Federation that dissolved in 1991
- U.S.'s Space Race competitor
- 'Back in the --', Beatles track on the 'White Album'
- Federation formed in 1922, for short
- Brezhnev's country
- World's largest country from 1922 to 1991
- Spy-fi country
- Map inits. until 1991
- Abbr. in a Beatles title
- The Beatles’ “Back in the ___”
- Sputnik launcher: Abbr
- Cold War power, in brief