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The Nevada National Security Sites (N2S2 [1] or NNSS), popularized as the Nevada Test Site (NTS) until 2010, [2] is a reservation of the United States Department of Energy located in the southeastern portion of Nye County, Nevada, about 65 mi (105 km) northwest of the city of Las Vegas.
The United States conducted around 1,054 nuclear tests by official count, including 216 atmospheric, underwater, and space tests. [1] [notes 1] Most of the tests took place at the Nevada Test Site (NNSS/NTS) and the Pacific Proving Grounds in the Marshall Islands and off Kiritimati
In 1955 on the southwest corner of Groom Lake, a survey team laid out the 5,000-foot (1,500 m) north–south "Site II" runway for Project AQUATONE. The 1st Lockheed U-2 (Article 341) left the Skunk Works in a C-124 Globemaster II cargo plane for the AQUATONE site in July 1955 and first flew on July 29 during a runway test. [24]
On this day in 1957, the first underground nuclear test was carried out at the Nevada Test Site, a 1,375 square-mile research center located 65 miles away from Las Vegas.The 1,7 kiloton nuclear ...
The knowledge gained provided data to prevent nuclear yields in case of accidental detonations—for example, in a plane crash. The John shot on July 19, 1957, was the only test of the Air Force's AIR-2A Genie rocket with a nuclear warhead. [3] It was fired from an F-89J Scorpion fighter over Yucca Flats at the Nevada National Security Site.
Storax Sedan was a shallow underground nuclear test conducted in Area 10 of Yucca Flat at the Nevada National Security Site on July 6, 1962, as part of Operation Plowshare, a program to investigate the use of nuclear weapons for mining, cratering, and other civilian purposes. [2]
In this instance, a 1280-feet-in-diameter and 320-feet-deep explosion crater, morphologically similar to an impact crater, was created at the Nevada Test Site. Shot Divider of Operation Julin on 23 September 1992, at the Nevada Test Site, was the last U.S. nuclear test.
The Alaskan island of Amchitka was initially selected for these tests in 1950, but the site was later deemed unsuitable and the tests were moved to the Nevada Test Site. [8] Buster-Jangle Uncle, the first underground nuclear explosion. The first underground nuclear test was conducted on 29 November 1951.