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Residents Relocated
- US government forced 167 Micronesian inhabitants of the atoll to temporarily relocated
- King Juda agreed, saying "We will go believing that everything is in the hands of God"
- Neighboring island, Rongerik Atoll, was temporary home (125 miles away)
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Military Services Arrive
- 42,000 military personnel
- Built bunkers, floating docks, and steel towers with cameras recording instrument, bars, entertainment
- Designated Bikini Atoll lagoon as ship graveyard, where 95 ships would be target of bomb testing
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Operation Crossroads
- Two separate detonations ("Able" "Baker")
- 23 kilotons of TNT (96 Terajoules) (1 TJ = 1 trillion J)
- Able: Dropped from plane, sank 5 ships
- Baker: Detonated 90 ft underwater, sank 8 ships, raised surface temp of water by 99,000 degreed F
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Japanese Fisherman Contaminated
- Japanese fishing boat 80 miles away from blast site, 90 minutes after Castle Bravo detonation
- 23 members of fishing vessel all became ill
- 1 crew member died six months later
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Castle Bravo Test
- Residents of northern Atoll neighboring islands received external doses in the hundreds to over 2000mGy
- Internal doses were calculated for thyroid, red bone marrow, stomach, colon. Thyroid for northern islands = 760-7600 mGy. For comparison, one abdomen CT scan = ~10mGy.
- Southern Atolls = 5 to 12 mGy
- Mid lattitude Atolls = 22 to 60 mGy
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Redwing Tests
- Total of 17 nuclear detonations
- Thermonuclear
- Islanders were initially promised they could return home, but was later thwarted to resume nuclear testing
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Operation Hardtack I
- 35 nuclear tests
- Max yield of energy was 9.3 megatons of TNT
- Air drop, underwater detonation
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Bikini Residents Return Home Delayed
- In June of 1968, Lyndon B Johnson promised 540 Bikinians living on Kili and other islands they would be allowed to return home to Bikini
- Efforts included replanting and construction of housing
- U.S. Atomic Energy Commission said: "There's virtually no radiation left and we can find no discernible effect on either plant or animal life."
- The discovery of high levels of radiation in coconut crabs, an important food source, delayed the return
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Radiation Findings After Returning Home
- Over the years, small amounts of Bikinians gradually returned home
- In 1978, medical examinations took place on Bikini residents, finding 75% increase in cesium 137
- DOE began outsourcing food, assuming a large part of radiation increase was from consuming food originating from island
- Eventually in 1978, U.S. government began to relocate people again due to high amounts of radiation still present
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Lawsuit
- Lawsuit against U.S. handed down to Bikini Atoll for damages done to island and its people
- Nuclear Claims Tribunal promised to award a total of $563,315,500 to people of Bikini Island
- Nuclear claims tribunal was considered underfunded at the time and it is now up to the people of Bikini to petition the U.S. Congress to fulfill this award