Operation Plumbbob
| Operation Plumbbob | |
|---|---|
| Plumbbob-Priscilla, 37 kilotons. | |
| Information | |
| Country | United States | 
| Test site | 
 | 
| Period | 1957 | 
| Number of tests | 29 | 
| Test type | balloon, dry surface, high alt rocket (30–80 km), tower, underground shaft, tunnel | 
| Max. yield | 74 kilotonnes of TNT (310 TJ) | 
| Test series chronology | |
Operation Plumbbob was a series of nuclear tests that were conducted between May 28 and October 7, 1957, at the Nevada Test Site, following Project 57, and preceding Project 58/58A.