Operation Latchkey

Operation Latchkey
Information
CountryUnited States
Test site
  • NTS Area 12, Rainier Mesa
  • NTS Area 19, 20, Pahute Mesa
  • NTS Areas 5, 11, Frenchman Flat
  • NTS, Areas 1–4, 6–10, Yucca Flat
  • Salmon Site, near Lumberton, Mississippi
Period1966–1967
Number of tests38
Test typeunderground shaft, tunnel
Max. yield870 kilotonnes of TNT (3,600 TJ)
Test series chronology

Operation Latchkey was a series of 38 nuclear tests conducted by the United States in 1966–1967 at the Nevada Test Site. These tests followed the Operation Flintlock series and preceded the Operation Crosstie series.