Related Clues:
- Big boomer
- Big news in 1945, informally
- 'Little Boy' in 8/6/45 news
- Bikini blaster
- Fat Man in New Mexico
- See 26 Across
- 1945's ''Little Boy,'' for short
- 1945 news, in headlines
- Manhattan Project product
- WMD in 1940s headlines
- Mushroom maker
- Manhattan Project creation
- Weapon of mass destruction
- Hiroshima destroyer
- Enola Gay's payload