% | on March 1, 1954. 7 > C Following detonation, unexpected changes in the wind structure deposited radioactive materials on inhabited atolls and cn ship of Joint Task Force #7 which was conducting the tests. Radiation surveys of the areas revealed injurious radiation levels; therefore evacution was ordered, and was carried out as quickly as possible with the facilities available, Althouth the estimated accumulated doses to human beings were believed to be below dangerous levels that would produce lasting injury or mortality the Commander of the Task Force requested assistance of the Depurtment of Defense and the United States Atomic Fnergy Commission. A medical team was requested which would be organized to provide the best possible care of the ex posed persons and to make a medical study of the exposures. The responsibility for organization of the medical team was shared between the A.med Forces Special Weapons Project D, 0. D, and the Division of Biology and Medicine, United States Atomic Energy Commission. Since speed was essential and since the United States Navy Medical De~ partment had experienced personnel evailable at the Naval Medical Research Institute and the United States Naval Rediological Defense Laboratory, the Surgeon General of the Department of the Navy was requested to provide assistance, He promptly complied and directed the organization of a team from the two above mentioned Loratories. had the privilege to be the director of this team, 1 Within a period of three days equip- ment was assembled and packed and the team was airlifted to the Marshall Islands arriving on the 8th cay after the explosion. The interim care and study of the ex posed individuals had been ably taken care of by the limited medical facilities of the ‘United States Faval Station, Kwajalein. I am pleased to call attention to the fact of the very high degree of cooperstion between all government agencies concerned and to the mumerous individuals wi:o selflessly gave of their time and efforts. The mm- ber is large and due credit and acknowledgments are given in the official report of the incidence published by the United States Government Printing Office and listed in reference (1). | ‘NATURE CF THE EVENT AID DFSCRIPTICN CF THE EXPCSED GRCUPS The rsdioactive material fell on the inhabited atolls of Rengelap, the heaviest DOE ARCuroer-~ 2 9

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