In 1946, the US began its nuclear testing on Bikini Atoll in the Marshall Islands – a terrifying thought for many Australians. Some 75 years on, the evidence shows their fears were well-founded.
In 1946, the Marshall Islands seemed very close for many Australians. They feared the imminent launch of the US’s atomic testing program on Bikini Atoll might split the earth in two, catastrophically change the earth’s climate, or produce earthquakes and deadly tidal waves.
A map accompanying one report noted Sydney was only 3,100 miles from ground zero. Residents as far away as Perth were warned if their houses shook on July 1, “it may be the atom bomb test”.
Radiation poisoning, birth defects, leukaemia, thyroid and other cancers became prevalent in exposed Marshallese, at least four islands were “partially or completely vapourised”, the exposed Marshallese “became subjects of a medical research program” and atomic refugees. (Bikinians were allowed to return to their atoll for a decade before the US government removed them again when it was realised a careless error falsely claimed radiation levels were safe in 1968.)
In late 1947, the US moved its operations to Eniwetok Atoll, a decision, it was argued, to ensure additional safety. Eniwetok was more isolated and winds were less likely to carry radioactive particles to populated areas.
Australia’s economic stake in the atomic age from 1954 collided with the galvanisation of global public opinion against US testing in Eniwetok. The massive “Castle Bravo” hydrogen bomb test in March exposed Marshall Islanders and a Japanese fishing crew on The Lucky Dragon to catastrophic radiation levels “equal to that received by Japanese people less than two miles from ground zero” in the 1945 Hiroshima and Nagasaki atomic blasts. Graphic details of the fishermen’s suffering and deaths and a Marshallese petition to the United Nations followed.
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