Atomic Heritage Foundation

In partnership with the National Museum of Nuclear Science & History National Museum of Nuclear Science & History

July 5, 1957

July 5, 1957

U.S. conducts Shot Hood of Operation Plumbbob, a 74 kiloton fission bomb and the largest atmospheric test ever at the Nevada Test Site.

Related Images: 
Certificate of participation, Operation Plumbbob
Date Range: 
1957CE Jun 5th
Era: 
1950 to 1959: The Two Superpowers