Operation Sunbeam (also known as Operation Dominic II)DOMINIC II Fact Sheet

Defense Threat Reduction Agency The Defense Threat Reduction Agency (DTRA) is both a defense agency and a combat support agency within the United States Department of Defense (DoD) for countering weapons of mass destruction (WMD; chemical, biological, radiological, nuclear ...

was a series of four

nuclear tests Nuclear weapons tests are experiments carried out to determine the performance of nuclear weapons and the effects of Nuclear explosion, their explosion. Nuclear testing is a sensitive political issue. Governments have often performed tests to si ...

conducted at the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

Nevada Test Site The Nevada National Security Sites (N2S2 or NNSS), popularized as the Nevada Test Site (NTS) until 2010, is a reservation of the United States Department of Energy located in the southeastern portion of Nye County, Nevada, about northwest of ...

in 1962. ''Operation Sunbeam'' tested

tactical nuclear warheads Tactic(s) or Tactical may refer to: * Tactic (method), a conceptual action implemented as one or more specific tasks ** Military tactics, the disposition and maneuver of units on a particular sea or battlefield ** Chess tactics ** Political tacti ...

; the most notable was the ''

Davy Crockett Colonel (United States), Colonel David Crockett (August 17, 1786 – March 6, 1836) was an American politician, militia officer and frontiersman. Often referred to in popular culture as the "King of the Wild Frontier", he represented Tennesse ...

''. The chief milestone of ''Operation Sunbeam'' was that it was the last nuclear test series on the Nevada Test Site conducted in the

atmosphere An atmosphere () is a layer of gases that envelop an astronomical object, held in place by the gravity of the object. A planet retains an atmosphere when the gravity is great and the temperature of the atmosphere is low. A stellar atmosph ...

by the United States. Since ''Operation Sunbeam'', specifically the '' Little Feller 1'' test of the ''Davy Crockett,'' all US nuclear tests on the Test Site have been carried out

underground Underground most commonly refers to: * Subterranea (geography), the regions beneath the surface of the Earth Underground may also refer to: Places * Buenos Aires Underground, a rapid transit system * London Underground, a rapid transit system * ...

in accordance with the

Partial Test Ban Treaty The Partial Test Ban Treaty (PTBT), formally known as the 1963 Treaty Banning Nuclear Weapon Tests in the Atmosphere, in Outer Space and Under Water, prohibited all nuclear weapons testing, test detonations of nuclear weapons except for those co ...

List of the nuclear tests

References

{{US Nuclear Tests Explosions in 1962

Sunbeam A sunbeam, in meteorological optics, is a lightbeam, beam of sunlight that appears to radiate from the position of the Sun. Shining through openings in clouds or between other objects such as mountains and buildings, these beams of light scatter ...

1962 in military history 1962 in Nevada 1962 in the environment