to five months. At Los Alamos, Chicago, Oak Ridge and University of Rochester we were given intensive training in radiological safety procedures including instrumentation, decontamination. measurement, protection ana Those of us involved in this training program were later to become key men in the operation, less supervising those with training. At Bikini we in the Rad-Safe section were under the able direction of Drs. Stafford Warren and George Lyon. Both were highly regarded in the field of radiology and radiological safety. been with the Manhattan District. Robert Newell, Dr. Warren had They were ably assisted by Drs. Wright Langham and others. They ran a “tight ship® and admonished all of us to make every effort to keep radiation exposures as low as possible. The Task Force Command gave high priority to the Rad-Safe program. At Test Able, I was senior monitor on one of the patrol boats, the first to enter the lagoon and clear my sector for target ship boarding. The operation went smoothly with no great radiation problems that I remember and by the end of the day we were able to clear ships for the boarding parties, The BAKER test caused a much more serious radiation situation due to the contamination of the target ships with water mixed with fission products. My assignment was Rad-Safe representative on the USS