Answer: abomb

AnswerCrossword Clue
ABOMBFat Man was one
ABOMB"Little Boy" in 8-6-45 news
ABOMB1945 news, in headlines
ABOMBMushroom maker
ABOMBWeapon in 1940s headlines
ABOMBBikini blaster
ABOMBDetonation of 7-16-45
ABOMBWMD in 1940s headlines
ABOMB". . . a revolutionary is merely a climber with ... in his pocket": Orwell
ABOMB"Fat Man and Little Boy" topic
ABOMBBig news in 1945, informally
ABOMBFat Man or Little Boy
ABOMBEnola Gay cargo
ABOMBLos Alamos project, informally
ABOMBFat Man in New Mexico, e.g.
ABOMB1945's "Little Boy," for short
ABOMBFat Man in New Mexico
ABOMBCloud maker
ABOMBManhattan Project result, informally
ABOMBCloud producer, informally
ABOMBNuclear weapon
ABOMBWeapon.
ABOMBExplosive weapon.
ABOMBFission weapon.
ABOMBPhenomenon of 1945.
ABOMBEnola Gay's cargo
ABOMBHiroshima destroyer
ABOMBW. W. II weapon
ABOMBHiroshima weapon
ABOMBDestructive weapon
ABOMBFocus of the Manhattan Project, briefly
ABOMBTeller's concern in the early 40's
ABOMBAug. 1945 weapon
ABOMBEnola Gay's cargo item
ABOMBFermi focus
ABOMBEnola Gay cargo
ABOMBMushroom maker?
ABOMBInvention of 1945
ABOMBResult of the Manhattan Project
ABOMBNuclear weapon, in old headlines