and when it was determined that they would not suffer physically they were moved to anotre> island, Ebeye, in the Kwajalein group where they remained under the cars of COMNAVSTAKWAJ, The Rongelap natives received greater exposures which caused temporary lowering of Flood counts, instances of temporary epilation, and skin lesions, i From a bleed picture standpoint, the Rongelap natives corresponded very well with the Japanese who were atout 1.5 miles from ground zere at Hireshima and Nagasaki, In this group two to three per cent lost some hair, ten pes cent had sore mouths, and five per cent experienced hemorrhages under the skin, A medical unit formed from the Naval Medical Research Institute in Washington ard from other Service agencies began operations as Project 4.1. at Kwajalein on 8 March, They took frequent and periodic bleod counts and urinalyses and made numerous other observations. The wit began to return to the ZI from Kwajalein in early May after it became evident that all exposed natives and U. S. personnel would recover without serious consequences, The twenty-eight American personnel wno had been exposed at Rongerik were kept under medical observation at Kwajalein until early May. At that time, they were removed to Tripler Army Hos- pital in Honolulu where they recsived thorough medical examina~ tions. Shortly afterwards, they were returned to duty with their parent organizations in the ZI, A survey party made up of native, Task Force, AEC, CINCPAC= FLT, Trust Territory, and H&N representatives visited Rongelap, 150