Mushroom producer
Else clues• *Weapon first tested in '52
• Dr. Strangelove threat
• Ivy Mike test weapon
• 1950s WMD
• Big bang maker
• Big bang maker, and it's no theory
• Big bang producer since 1952
• Big bang source?
• Big bang, and it's no theory
• Big blast
• Big blast producer, for short
• Big boomer
• Bikini blast
• Bikini demolisher
• Bikini test (1954)
• Blast maker, informally
• Certain W.M.D.
• Cold War concern
• Cold war specter
• Cold War threat
• Edward Teller's legacy
• Eniwetok device
• Eniwetok first
• Eniwetok test device
• Eniwetok test subject
• Explosive development of 1951
• Frightful force
• Fusion weapon
• It was tested on Bikini, 1954
• Megaton destroyer
• Mushroom cloud former, for short
• Mushroom cloud maker
• Nuclear blockbuster, briefly
• Nuclear device
• Nuclear threat
• Nuclear weapon
• One WMD
• Oppenheimer opposed it
• Russia tested its first one in '53
• SALT concern
• Subject of a '52 test
• Test ban subject, briefly
• The first one went off in 1952
• Thermonuclear blast maker
• Thermonuclear exploder
• Thermonuclear explosive
• Thermonuclear explosive (Abbr.)
• U.S.S.R.'s Big Ivan, e.g.
• Weapon of mass destruction
• Weapon since '52
• You'll get a bang out of it!