APPENDIX Il
Nuclear Detonations and
Early Stockpile Data
United States Nuclear Detonations
1945 - 1974
Event or Series Name Description
Dates
Trinity... ccce cc cesces First test of an atomic ... July 16, 1945
bomb —
Hiroshima ........00005 First use in combat...... August6, 1945
Nagasaki ..........0005 Second use in combat... August 9, 1945
Crossroads..... seevees ence cee c ease eceeseeeces June - July 1946
Sandstone ..........06 ve se reeves eceteeeseseves April-May 1948
ROMQEr oc ccc cece cece cee ccncenceccntercererece January - February 1951.
Greenhouse .... cc cc cece cee cceencceenssecsnese April- May 1951
Buster-Jangle. ... ccc cece cece ccc caweccereeees October - November1951
Tumbier-Snapper ......eve ccccerencceeeessenes April - June 1952
a
Mike, experimental......
thermonuclear device
Upshot-Knothole......c cece ccrceecceccnsscceees
Castle coc ccc ce cece cence nnereeeecesessenoeacees
Bravo, experimental.....
thermonuclear device
TOSPot .. cece cc cnc nese c ccc stecnccstcetseeunes
WIQWAM 0... cc ccc ces er rece cece neescecsaecenes
Redwing ....ccccccccccscccenccuncceccvevssucee
PlUMDDOD.... cece reece cece ereeceeerorsseensce
Hardtack, .... cc cece cece creer eset e sees ceneacas
AIQUS ccc cc cece cence eer ac cen eesseesensecssenes
Hardtack.... cscs cc cccnc cnc cescccccsasseesseses
October - November 1952
October 31, 1952
March - June 1953
February - May 1954
February 28, 1954
February - May 1965
May14, 1955
May- July 1956
May- October 1957
April - August 1958
August - September 1958
September - October 1958
NO TESTS CONDUCTED FROM OCTOBER30, 1958 to SEPTEMBER 1961
Nougat .... ccc cee ccscccccevcees ‘Sawa cece ceeeee: September 1961 - June
we ae
1962
Dominic! .....sscececscacececes se neeeeneeceees April 1962 - June 1962
StOraX. wee ccc ccce cr enecenccecesesesesssesaes
Sedan, excavation...... July 6, 1962
experiment
Dominic ll..... satoeees Four above ground tests. July 1962
LIMITED TEST BAND TREATY, AUG.5, 1963, PROHIBITED NUCLEAR
DETONATIONS IN ATMQSPHERE, OUTER SPACE AND UNDER WATER
{
Niblick. 0... cc ccsccccnvcncrccsrsccvesesecessens August 1963 - June 1964
Whetstone... .crccccncrscnccscavecens see eeeeee
Flintlock ....0esevevcees perce eecetncseceseane
Latchkey.. ccc ccc ere cece cer cen rec sccasneecese
Crossti€. . oc cece ccc c ccc e eer ecee rec ecensenecces
Bowline....... Dace c eaten eee eec ences eersersers
Mandrel ......cccccceseecees vec eeceeeeneseaese
EMESLy oc. cece cc cere cence een eneeereeesesessenes
July 1964 - June 1965
July 1965 - June 1966
July 1966 - June 1967
July 1967 - June 1968
July 1968 - June 1969
July 1969 - June 1970
October 1970 - June 1971
Grommet ..... ccc ccc ccc ccec erases ceeneeeeeeves July 1971 - May 1972
Toggle... ccc cece ccc care e cee e cence seerereecs July 1972 - June 1973
7%0)0)Sa October 1973 - June 1974
Bedrock 2... ccc ccc cece cence rece neen ener scenes July 1974-