Last seen in:
Related Clues:
- Silo occupant
- Cold war threat
- Weapon in a silo, for short
- Part of a nuclear arsenal, for short
- S.D.I. concern
- Protested event
- Big bang maker
- Blast from the past
- Outlawed blasts
- Big bang creator
- Silo contents, for short
- The first one went off in 1952
- Bikini experiment, for short
- Atomic experiments
- Titan II, perhaps