Atmospheric Nuclear Test Listing According to Numbers of Personnel


Test Series Name Year Location No. of Tests No. of Personnel
Operation Crossroads 1946 oceanic 1 40,112 *
Operation Dominic I 1962 continental 36 22,600 *
Operation Upshot-Knothole 1953 continental 11 18,000 *
Operation Hardtack I 1958 oceanic 34 16,000 *
Operation Plumbbob 1957 continental 24 13,300 *
Operation Castle 1954 oceanic 6 12,700 *
Operation Sandstone 1948 oceanic 3 11,782 *
Operation Ivy 1952 oceanic 2 11,680 *
Operation Redwing 1956 oceanic 17 11,350 *
Operation Teapot 1955 continental 14 8,700 *
Operation Argus 1958 oceanic 3 4,500 *
OperationGreenhouse 1951 oceanic 4 3,200 *
Operation Dominic II 1962 continental 4 2,900 *
Operation Hardtack II 1958 continental 19 1,600 *
Operation Ranger 1951 continental 5 266 *
Project Trinity 1945 continental 1 164 *

* Approximate number of DOD personnel---includes atmospheric test personnel involved in "weapons effects" and "weapons related" tests only.

Does not include test or test personnel involved in "safety related tests" of equipment.

Total number of tests:....214                    Total oceanic:..........100       Total continental:..........114

Total number of personnel:...209,284      Total oceanic:...147,782       Total continental:...61,502

An additional 195,000 military personnel were involved in the clean-up and occupation, some as POWs, of Hiroshima/Nagasaki during and following the bombing of those cities.

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