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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conducted in 1970 and 1971. These tests followed the Operation Mandrel series and preceded the OperationGrommet series. The underground Baneberry test vented...
United States Atomic Energy Commission. The experiment, part of the OperationGrommet nuclear test series, tested the unique W71 warhead design for the...
conducted in 1972–1973. These tests followed the OperationGrommet series and preceded the Operation Arbor series. Diamond Sculls was a horizontal line-of-sight...
was successfully tested on 6 November 1971 in Project Cannikin of OperationGrommet in the world's largest underground nuclear test, on Amchitka Island...
1113194°E / 51.4703333; 179.1113194, as the thirteenth test of the OperationGrommet (1971–1972) underground nuclear test series. The announced yield was...
test shot was the "Sedan" shot of Operation Storax on July 6, 1962, a 104-kiloton-of-TNT (440 TJ) shot for Operation Plowshare, which sought to prove that...
Canada in the unconventional resources of Alberta and British Columbia. Operation of technologies involving long-term geologic storage of waste fluids have...
extreme case to serve as an example of this phenomenon being the OperationGrommet Cannikin test of the 5 megaton W71 warhead exploded deep underground...
November 3 – The UNIX Programmer's Manual is published. November 6 – OperationGrommet: The U.S. tests a thermonuclear warhead at Amchitka Island in Alaska...
record low of 196,700 (the lowest since January 1966). November 6 – OperationGrommet: The U.S. tests a thermonuclear warhead at Amchitka Island in Alaska...
Nuclearweaponarchive.org. Retrieved on May 1, 2011. Operation Hardtack I. Nuclearweaponarchive.org. Retrieved on May 1, 2011. Operation Redwing. Nuclearweaponarchive.org...
summer. Grommet is killed, along with an off-duty police officer, and a bank security guard who attempt to foil the robbery. Outraged by Grommet's death...
alloy plug and another is a rubber grommet with a metal insert at the center. At a sufficiently high pressure, the grommet will distort and the insert will...
the Operation Torch landings proceeded, the air group provided indispensable air support, launching 496 combat sorties in the three-day operation. Ranger's...
1886. The German otologist Rudolf Voltolini (1819–1889) created in 1874 a grommet made of gold and later on one made of aluminium. The vinyl tube used today...
between posts, grommets or another method of attachment are necessary to prevent the banner from tearing or flying away. Aluminum grommets can be punched...
The TPAD jaws could not lock onto Solar Max because of an obstructing grommet on the satellite not included in the blueprints for the satellite. This...
modern machinery used includes die cutting tools to cut the shapes and grommet machines to punch holes for lacing. Early 21st century has seen a resurgence...
brake shoes replaced and rear brake drum skimmed, rubber gear linkage grommets replaced, flares on front wheel arches and rusty lower part of the near...
actually carried out by the United Kingdom at the NTS; four aborted tests in Operation Fishbowl; one test, Anvil/Peninsula, that jammed during lowering in its...
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