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Video of the test—12 second intro
Operation Wigwam[1] involved a single test of the Mark 90 "Betty" nuclear bomb. It was conducted between Operation Teapot and Project 56 on May 14, 1955, about 500 miles (800 km) southwest of San Diego, California. 6,800 personnel aboard 30 ships were involved in Wigwam. The purpose of Wigwam was to determine the vulnerability of submarines to deeply detonated nuclear weapons, and to evaluate the feasibility of using such weapons in a combat situation.[2] The task force commander, Admiral John Sylvester, was embarked on the task force flagship USS Mount McKinley. Wigwam was the first atomic test in the deep ocean, and it remains the only test that has been conducted in water deeper than 1,000 ft (300 m).[3][4]
^Cite error: The named reference LT_1 was invoked but never defined (see the help page).
^"Operation WIGWAM, Report of Commander, Task Group 7.3" (61 pg. PDF). July 22, 1955. Archived (PDF) from the original on December 1, 2021. Retrieved December 1, 2021.
^Sheehy, M. J.; Halley, R. (1957). "Measurement of the attenuation of low-frequency underwater sound". J. Acoust. Soc. Am. 29 (4): 464–469. Bibcode:1957ASAJ...29..464S. doi:10.1121/1.1908930.
^Dushaw, B. (2015). "WIGWAM reverberation revisited". Bulletin of the Seismological Society of America. 105 (4): 2242–2249. Bibcode:2015BuSSA.105.2242D. doi:10.1785/0120150024. Retrieved July 14, 2018.
able to be scrapped rather than scuttled. Charlie was rescheduled as OperationWigwam, a deep-water shot conducted in 1955 off the coast of Mexico (Baja...
followed by OperationWigwam. Wigwam was, administratively, a part of Teapot, but it is usually treated as a class of its own. The aims of the operation were...
nuclear bomb used as a depth charge as it was detonated in OperationWigwam in 1955. Wigwam involved a single test of the Mark 90 Betty nuclear bomb, a...
The Wigwam Motels, also known as the "Wigwam Villages", is a motel chain in the United States built during the 1930s and 1940s. The rooms are built in...
United States Navy. A test of the Mark 90 was conducted in 1955, as OperationWigwam. A total of about 225 such bombs were produced. All units were withdrawn...
in Operation Crossroads, Operation Castle, OperationWigwam, and Operation Dominic USS Gypsy participated in Operation Castle and OperationWigwam USS...
participated in Operation Sandstone and OperationWigwam USS Estes participated in Operation Ivy and Operation Castle USS Leo participated in Operation Ivy and...
resulting in coastal flooding no worse than that from a bad storm. The OperationWigwam test in 1955 occurred at a depth of 2,000 ft (610 m), the deepest detonation...
ARL-13 USS LST-972 USS LST-973 USS LST-974 USS Marion County (LST-975), OperationWigwam nuclear test participant USS LST-976, later ARB-9 USS LST-977, later...
to surfaces, and had a salty taste. 41.4% of the fallout from the OperationWigwam test consisted of irregular opaque particles, slightly over 25% of...
there is a requirement for certain numbers and sizes of tugboats for port operations with gas tankers. Also, in many ports, tankers are required to have tug...
as OperationWigwam, a deep water shot conducted in 1955 off the California coast. The next series of tests over Bikini Atoll was codenamed Operation Castle...
A wood waste burner, known as a teepee burner or wigwam burner in the United States and a beehive burner in Canada, is a free-standing conical steel structure...
developed from atmospheric testing during Operation Sandstone in the spring of 1948. During the operation, an aircraft accidentally flew through an atomic...
local operations and a month-long training exercise off Hawaii in October. In the spring of 1955, Mount McKinley served as flagship for OperationWigwam, an...
grandfather was a Pearl Harbor survivor and years later, he worked on OperationWigwam and Operation Redwing, which were nuclear tests conducted by the United States...
the first underwater test in the Operation Hardtack series. This test could be considered a continuation of the Wigwam nuclear blast (a deep water nuclear...
mission today. Cree participated in several classified missions such as OperationWigwam. Cree (AT-84) was launched 17 August 1942 by United Engineering Co...
1955. In May, YAG-39 again served with Joint Task Force 7 during "OperationWigwam", the deep underwater nuclear test carried out in the Eastern Pacific...
Granite Falls at the north end on the east side. Spray of Pearls Falls at Wigwam Creek is in the north west corner, and Silver Falls is on the western side...
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