Operation Wigwam

Operation Wigwam
Operation Wigwam
Wigwam.jpg
Information
Country United States
Test site 500 miles southwest of San Diego
Date 14 May 1955
Test type Underwater
Device type Fission
Yield 30 kilotons of TNT (130 TJ)
Navigation
Previous test Operation Teapot
Next test Project 56
Video of the test

Operation Wigwam involved a single test of the Mark 90 Betty nuclear bomb. It was conducted between Operation Teapot and Operation Redwing on May 14, 1955, about 500 miles 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. The task force commander, Admiral John Sylvester, was embarked on the task force flagship USS Mount McKinley (AGC-7).

The test device was suspended by a 2,000 feet (660 meters) cable under a barge. A six-mile tow line connected a fleet tug, the Tawasa, and the shot barge itself. Suspended from the tow lines of other tugs were three miniature unmanned submarines named "Squaws", each packed with cameras and telemetry instruments.

The time of detonation was 1300 hrs Pacific Time. The test was carried out without incident, and radiation effects were negligible. The device yielded 30 kilotons. Only three personnel received doses of over 0.5 rems.

Wigwam Test Blast
Test name Date Location Yield Note
Wigwam 14 May 1955 500 miles SW San Diego 30 kilotons deep underwater

External links

Coordinates: 28°44′N 126°16′W / 28.733°N 126.267°W / 28.733; -126.267


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