Related Clues:
- Manhattan Project result
- Fat Man was one
- ''Fat Man,'' e.g.
- 31 Across subject
- WWII development
- Oppenheimer subj.
- Focus of the Manhattan Project, briefly
- WWII-ending weapon
- Los Alamos project
- Manhattan Project weapon
- Fat Man in New Mexico, e.g.
- Enola Gay payload
- Thermonuclear explosive (Abbr.)
- W.W. II-ending weapon, for short
- Cold war specter