nel arrived inthe field. Preliminary hematologic studies indicated (hal (he individuals probabay had not received acutely fatal doses of radiation, The primary responsibilities within the prey ect group were delegated as follows: Chiorcal observations aad care LTON. R. Shulman, MC, USN Organization and operation of laboratory LT ROS. Farr, MC, USN Compilation and daily anatysis of all data Dr. Vo P. Bond Decontamination and radiuitton measurement L/P (je) R. Sharp, MSC, USN Senor Petty Officer in charge of laboratory 2K. Schork, HMC, USN As the clinreal picture developed, a further breakdown in responsibility was necessary. Cua mander R.A. Conard, MC, USN, and Lt Col G. B. Browning, MC, USA, were made tesponsthbe for a daily survey of skim destons, and Or. S. HL Cohn was made responsible for studying: the problems concerned with the exerehon of radiotsotopes and the estimates of body burdens ia the exposed medividuals. The projyeet officer commends all of the professtonal and technical members of the group for their excetlent motivation, mitiative, and voluntary long hours of extra work (hit weee es sential for the accomplishment of the clinmreal and research objectives, and for Che rapid col lection of the preliminary data in the fleld. It as emphasized that the work was a cooperative endeavor in which all were mutually dependent upon cach other. The willing efforts of all concerned constituted a remarkable example of team-work and sacrifice of personal ambitious and desires for the good of the project at large. The authors wish to express their gratitude and indebtedness to Dr. John C. Bugher, CAPT Van Tipton,and CDR Harry Etter, CAPT W. E. Kellum, MC, USN, and CAPT T. L. Willmon, Conimanding and Executive Officers, respectively, NMRI; CAPT R. A. Hinners, USN, Director, NRDIL.. and CAPT A. R. Behnke, MC, USN, Associate Director, NRDL, all of whom pave unlimited support and reduced administrative procedures to a bare minimum, thus making it possible for the unit to be assembled and underway ina matter of hours. On arrival at Kwajalein, RADM R. S. Clarke, USN, Commanding Officer, U.S. Naval Station, Kwajalein, supported Project 4.1 with all the facilities at his disposal. As a result, a laboratory and chime was established and operating within 24 hours after arrival of the project personnel, ‘ Project personnel also wish to acknowledge the outstanding contributions of Col C. S. Maupin, MC, USA, Field Command, AFSWP, CAPT H. H. Haight, MC, USN, Division of Military Application, AEC; Col K. Houghton, MC, USAF, Special Weapons Center; CAPT Donald Dement, MC, USN, CINCPAC Fiect; Drs. T. L. Shipman, T. White, and P. Harris of Los Alamos Screntihe Laburatory;, Dr. Gordon Dunning, Division of Biology and Medicine, AEC, and Dr. G. V LeRoy, University of Chicago. During all phases of the early care of the exposed individuals, the foregoing participated as much as their other primary duties would permit. In addition the authors wish to thank them for the extensive and complete data which they collected inthe atolls or their home laboratories and kindly furnished to the project personnel. The continuous help and cooperation of Trust Territory representatives and their aid in obtaining necessary control data on native Marshallese at Majuro is hereby acknowledged. The authors are particularly indebted to Mr. John Tobin. His help as an interpreter and his extensive knowledge of the Marshallese language and habits were invaluable. Lacutentant J. S. Thompson, MC, USN, Turnished his records on the exposed individuals decontimuinated by the radnuton group of the VP-29 squadron stationed at Kwajalein. The authors wish especially to express their adniuration for the excellent yob done by the medical personnel of the U.S. Naval Dispensary, Kwajalein, in completing the extensive labo ratory cxamonations that were required to obtain a prompt initial evaluation of the severity of the radvation injury. The authors are deeply grateful to Dr. David A. Wood of the University of California Hos pital, San Francisco, and Dr. Edward L. Alpen and Miss Pat Roan of NRDL, for invaluable aid In carrying out the histopathological evaluation of skin lesions. The extensive contributions of Mr. H. 4. Hechter in the statistical analyses of the data, and of Mr. C. A. Sondhaus of the NRDL. in dosave calculations are gratefu lv acknowledged. » oa eae . a