Related Clues:
- Explosive trial
- Modern treaty violation
- Bikini blast, briefly
- Big blast, briefly
- Event outlawed by intl. treaty
- Underground experiment, for short
- '54 event on Bikini atoll
- Explosive '50s trial
- Bikini Atoll event, briefly
- Producer of a large mushroom
- Source of some mushrooms
- Event drawing intl. criticism
- SALT concern
- Trial blast that produces a mushroom cloud
- A-bomb trial