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The effects of an underground nuclear test may vary according to factors including the depth and yield of the explosion, as well as the nature of the surrounding rock. [25] If the test is conducted at sufficient depth, the test is said to be contained, with no venting of gases or other contaminants to the environment. [25]
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.
On June 28, 1949, the "Gunnery Range of the Tonopah Air Force Base" had about 30 sq mi (78 km 2) [19] and after the 1949 Las Vegas Air Force Base was renamed on April 30, 1950, a United States Atomic Energy Commission (AEC) committee selected the "Las Vegas Bombing and Gunnery Range" for a nuclear test site on December 12, 1950. [20]
Greenwater, a Lawrence Livermore test, was to be fired in Area 19, [10] and was a test of an x-ray laser system. [12] The test was cancelled 16 July 1992. [13] The Greenwater nuclear device had already been assembled at the time of cancellation, and had to be dismantled. [14] A fourth test, Mighty Uncle, was planned for 1993.
Area 25 within the Nevada Test Site. Area 25 is the largest named area in the Nevada National Security Site at 254 square miles (660 km 2), [1] and has its own direct access from Route 95. [1] Area 25 is commonly called "Jackass Flats" because it is composed primarily of a shallow alluvial basin by that name. [1]
The Trinity test on 16 July 1945, near Socorro, New Mexico, was the first-ever test of a nuclear weapon (yield of around 20 kilotons). The Operation Crossroads series in July 1946, at Bikini Atoll in the Marshall Islands , was the first postwar test series and one of the largest military operations in U.S. history.
U.S. Air Force Test Center, based at Edwards Air Force Base, California, United States (founded 1942, as the new location of 477th Air Base Headquarters and Test Squadron) Flight Test Center (CEV) of the French Ministry of Armed Forces (CEV is a part of Directorate General of Armaments), based at 217 Air Base in Brétigny-sur-Orge, France ...
The Tonopah Test Range (TTR, also designated as Area 52) is a highly classified, restricted military installation of the United States Department of Defense, and United States Department of Energy (nuclear stockpile stewardship) located about 30 miles (48 km) southeast of Tonopah, Nevada.