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Operation Toggle

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Country
  
United States

Previous test series
  
Operation Grommet

Number of tests
  
28

Period
  
1972-1973

Start date
  
1972

Operation Toggle httpsuploadwikimediaorgwikipediacommonsthu

Test site
  
near Rifle, Colorado; NTS Area 12, Rainier Mesa; NTS Area 19, 20, Pahute Mesa; NTS, Areas 1-4, 6-10, Yucca Flat

Test type
  
underground shaft, underground tunnel

Max. yield
  
250 kilotonnes of TNT (1,000 TJ)

The United States's Toggle nuclear test series was a group of 28 nuclear tests conducted in 1972-1973. These tests followed the Operation Grommet series and preceded the Operation Arbor series.

References

Operation Toggle Wikipedia