INTRODUCTION - _- As part of Brookhaven National Laboratory's medical surveillance of Marshellese people exposed to radioactive fallout, quarterly medical visits are concucted to the atolls of Rongelap and Utirik. The primary purpose of these visits is to assess for medical problems that might be the result of the exposure. As a secondary objective, general health care is provided to the people of the atolls through a cooperative effort with the government of the Trust Territory of the Pacific Islands. LOU voyage #5 was coaducted from November 14 to November 28, 1975 to meet these obj :ctives. As presented in the operation plan submitted prior to the trip, general mecical assessment of the people was performed as well as mecical and pediatric clinics for the general populations. LOGISTIC SUPPORT Logistic support for the mission was prov‘ded by Global Associates and the U.S. 4rmy at Kwajalein. Coordination of the supply e.fort was admirably handled by Ted Musawski who was responsible for a smoothly run support operation, prior to departu e, All equipment was functioning and on board the vessel The ERDA vessel, R.V. LIKTANUR, which had experienced generator difficulties during the previous voyase, was overhauled and made ready to go through the efforts of Jack Vierra and Fred Olson of the Global Marine Depsrtment. A problem was encountered with the désired logistics support from the Trust Territory. For several reasons, the District Mrector of Health i