Related Clues:
- Putin's former org.
- NRC predecessor
- The NRC replaced it
- Spy novel org.
- Nuclear agcy. until 1975
- Federal agcy., 1946-74
- Former gp. from the Kremlin
- Bygone nuclear agcy.
- Post-Manhattan Project org.
- Former CIA counterpart
- Agcy. spawned by the Manhattan Project
- Old nuclear org.
- Agcy. once involved with fallout shelters
- Onetime CIA rival
- Cold War adversary