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List of nuclear tests

    The following is a list of nuclear test series designations organized first by country and then by date
    For more information on countries with nuclear weapons see List of countries with nuclear weapons

    USA

    The United States has conducted numerous nuclear tests throughout the nation including the Nevada Test Site the Pacific Proving Grounds at the Marshall Islands Alaska and even Farmington New Mexico

    Year Series Number Location(s) Image Notes
    1945Trinity1Alamogordo New MexicoFirst ever nuclear explosion
    1946Crossroads2Pacific Proving GroundsFirst postwar test series
    1948Sandstone3Pacific Proving Grounds
    1951Ranger5Nevada Test Site
    1951Greenhouse4Pacific Proving Grounds"Item" shot was first boosted fission weapon; "George" shot was physics experiment relating to the hydrogen bomb
    1951Buster-Jangle7Nevada Test SiteMany shots done in conjunction with troop exercises on ground
    1952Tumbler-Snapper7Nevada Test Site
    1952Ivy2Pacific Proving Grounds"Mike" shot was first hydrogen bomb; "King" shot was largest pure-fission bomb
    1953Upshot-Knothole11Nevada Test Site"Grable" shot was from an "atomic cannon"
    1954Castle6Pacific Proving Grounds
    The Bravo mushroom cloud
    Deployable thermonuclears "Bravo" was over twice as large as expected (most powerful ever by US) and spread fallout over a wide area

    • Operation Teapot 1955
    • Operation Wigwam 14 May 1955
    • Operation Red Wing 1956
    • Operation Plumbbob 1957
    • Operation Chariot 1958 (cancelled)
    observes Operation Hardtacks's Juniper test
    • Operation Hardtack 1958
    • Operation Argus 1958
    • Operation Dominic 1962 1963
    • Operation Nougat 1963 - 1964
    • Operation Little Feller July 1962
    • Operation Niblick 1963 - 1964
    • Operation Whetstone 1964 - 1965
    • Operation Flintlock 1965 - 1966
    • Operation Latchkey 1966 - 1967
    • Operation Crosstie 1967 - 1968
    • Operation Bowline 1968 - 1969
    • Operation Mandrel 1969
    • Operation Emery 1970
    • Operation Grommet 1971 - 1972
    • Operation Toggle 1972 - 1973
    • Operation Arbor 1973 -1974
    • Operation Bedrock 1974- 1975
    • Operation Anvil 1975 - 1976
    • Operation Fulcrum 1976 -1977
    • Operation Crescent 1977 - 1978
    • Operation Quicksilver 1978 - 1979
    • Operation Tinderbox 1979 - 1980
    • Operation Guardian 1980 - 1981
    • Operation Praetorian 1981
    • Operation Phalanx 1982 - 1983
    • Operation Fusileer 1983 - 1984
    • Operation Grenadier 1984 - 1985
    • Operation Charioteer 1985
    • Operation Divider 23 September 1992

    USSR

    • Operation First Lightning 29 August 1949

    Last test: October 24 1990

    UK

    • Operation Hurricane 3 October 1952
    • Operation Rats 1953
    • Operation Mosaic 1956
    • Operation Buffalo 1956
    • Operation Antler 1957
    • Operation Grapple 1957 - 1958
    • Operation Totem 1953
    • Operation Vixens 1963

    Last test: November 26 1991 vertical shaft

    France

    • Operation Gerboise Bleue 1960 and three more - Reggane Algeria; in the atmosphere
    • Operation Beryl 1 May 1962 and 12 more - In Ekker Algeria; underground
    • Operation Marquis 1974

    Last test: January 27 1996 underground

    China

    Last test: July 29 1996 underground

    India

    • Operation Smiling Buddha 18 May 1974 - implosion type plutonium underground 6 to 20 kt
    • Operation Shakti all underground:
      • 11 May 1998 - three simultaneously of which one was claimed to be a fusion device (this is disputed by outsider observers)
      • 13 May 1998 - two simultaneously

    Pakistan

    Tests in response to the Indian tests:
    • May 28 1998 - five simultaneously (number is disputed by observers but assumed to be at least two)
    • May 30 1998 - one
    See also http://nuclearweaponarchiveorg/Pakistan/PakTestshtml