| Clue | Source | Date |
|---|---|---|
| Atomic devices (1-5) | ||
| They explode, as hospital fails badly | The Guardian Cryptic | 02 May 2022 |
| Cold War threats | The Washington Post | 13 Nov 2018 |
| Cold War threats | LA Times Daily | 13 Nov 2018 |
| Cold War threats | ||
| Big releases of the '50s | New York Times | 01 Aug 2015 |
| Big releases of the '50s | ||
| Fusion weapons | ||
| Big bang makers | ||
| Nuclear weapons | ||
| Cold War threats | ||
| Weapons of mass destruction | ||
| Mushroom-cloud makers | ||
| Cold War threats | ||
| Powerful weapons | ||
| Powerful weapons | ||
| Powerful projectiles | ||
| Nuclear giants | ||
| Concern of Cong. Cole's committee. |