Operation Grommet

Operation Grommet
Operation Grommet
	Grommet Cannikin, 4.8Mt. Largest U.S. Underground nuclear test.
Information
Country	United States
Test site	Amchitka Island, Alaska; NTS Area 12, Rainier Mesa; NTS Area 16, Shoshone Mountain; NTS Areas 5, 11, Frenchman Flat; NTS Areas 1–4, 6–10, Yucca Flat;
Period	1971–1972
Number of tests	34
Test type	underground shaft, tunnel
Max. yield	4.8 megatonnes of TNT (20 PJ)
Test series chronology
	← Operation Emery Operation Toggle →

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The United States's Grommet nuclear test series^[1] was a group of 34 nuclear tests conducted in 1971–1972. These tests^{[note 1]} followed the Operation Emery series and preceded the Operation Toggle series.

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[1]

[note 1]