Operation Plumbbob

Operation Plumbbob
Plumbbob-Priscilla, 37 kilotons.
Information
CountryUnited States
Test site
  • NTS Area 12, Rainier Mesa
  • NTS Areas 5, 11, Frenchman Flat
  • NTS, Areas 1–4, 6–10, Yucca Flat
Period1957
Number of tests29
Test typeballoon, dry surface, high alt rocket (3080 km), tower, underground shaft, tunnel
Max. yield74 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.