Operation Grommet
Encyclopedia
Operation Grommet was a series of 34 nuclear tests conducted at the Nevada Test Site
in 1971 and 1972 including one in Alaska in 1971. These tests followed the Emery
series and preceded Toggle
.
Cannikin was the largest U.S underground nuclear detonation, at Amchitka
Island, Alaska
on November 6, 1971, with a yield of "less than 5 Megatons".
The individual blasts were:
Nevada Test Site
The Nevada National Security Site , previously the Nevada Test Site , is a United States Department of Energy reservation located in southeastern Nye County, Nevada, about northwest of the city of Las Vegas...
in 1971 and 1972 including one in Alaska in 1971. These tests followed the Emery
Operation Emery
Operation Emery was a series of twelve nuclear tests conducted at the Nevada Test Site. These explosions occurred in 1970 and 1971, after the Mandrel series and before Grommet....
series and preceded Toggle
Operation Toggle
Operation Toggle was a series of 28 nuclear tests conducted in 1972 and 1973. All but Rio Blanco took place at the Nevada Test Site. These tests followed the Grommet series and preceded Arbor. The individual blasts were:...
.
Cannikin was the largest U.S underground nuclear detonation, at Amchitka
Amchitka
Amchitka is a volcanic, tectonically unstable island in the Rat Islands group of the Aleutian Islands in southwest Alaska. It is part of the Alaska Maritime National Wildlife Refuge. The island is about long, and from wide...
Island, Alaska
Alaska
Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...
on November 6, 1971, with a yield of "less than 5 Megatons".
The individual blasts were:
| Name | Date | Size |
|---|---|---|
| DIAMOND MINE | July 1 | < 20 kilotons |
| MINIATA | July 8 | 83 kilotons |
| BRACKEN | July 9 | < 20 kilotons |
| APODACA | July 21 | < 20 kilotons |
| BARRANCA | August 4 | < 20 kilotons |
| NAMA-AMARYLIS, -MEPHISTO | August 5 | < 20 kilotons |
| BALTIC | August 6 | < 20 kilotons |
| ALGODONES | August 18 | 20 to 200 kilotons |
| FRIJOLES-DEMING, -ESPUELA, -GUAJE, -PETACA | September 22 | 4×low |
| PEDERNAL | September 29 | < 20 kilotons |
| CHANTILLY | September 29 | < 20 kilotons |
| CATHAY | October 8 | < 20 kilotons |
| LAGOON | October 14 | < 20 kilotons |
| CANNIKIN | November 6 | 4.4 - 5.2 megatons |
| DIAGONAL LINE | November 24 | < 20 kilotons |
| PARNASSIA | November 30 | < 20 kilotons |
| CHAENACTIS | December 14 | 20 to 200 kilotons |
| HOSPAH | December 14 | < 20 kilotons |
| YERBA | December 14 | < 20 kilotons |
| MESCALERO | January 5 | < 20 kilotons |
| COWLES | February 3 | < 20 kilotons |
| DIANTHUS | February 17 | < 20 kilotons |
| SAPPHO | March 23 | < 20 kilotons |
| ONAJA, OCATE | March 30 | < 20 kilotons |
| LONGCHAMPS | April 19 | < 20 kilotons |
| JICARILLA | April 19 | < 20 kilotons |
| MISTY NORTH | May 2 | < 20 kilotons |
| KARA | May 11 | < 20 kilotons |
| ZINNIA | May 17 | < 20 kilotons |
| MONERO | May 19 | < 20 kilotons |
| MERIDA | June 7 | < 20 kilotons |
| CAPITAN | June 28 | < 20 kilotons |
| HAPLOPAPPUS | June 28 | < 20 kilotons |
| TAJIQUE | June 28 | < 20 kilotons |