The gross fall-out collectors of Projects 2.5a and 2.5b required no euppert during the operation and were collected Tne microbarographic stations on Kwajalein and Ponape required weekly visita for rotation of personnel. Scheduled MATS airlift was used when possi- SegSAE TA c. Project 6.6 - Ionospheric Effects Studies at Rongerik. ble, but an occasional special PBM or SA-16 flight was required to ac- 4 locally. ~ complish this rotation, Boat transportation to secondary stations, necessarily several miles removed from the base stations, was provided The greatest support difficulties were experienced in connection with Rongerik Atoll and Project 6.6, where LST 551 was damaged while form of a PC or DDE. The project people lived aboard the vessels and manned the station through expected shot times, The rotation of ¢hese people and those of Project 17.1 at Ponape was frequently hampered by critical shortage of aircraft space. - 3.8 Hay 3.8.1 SHOT PHASE EVACUATION Planning 1 pte sttenant HeethHts As soon as it was determined that consideration of blast and radiological hazards would require complete evacuation of pegs 7 except the firing party from Bikini Atoll for the first test Ramee9, and probably for subsequent tests, planning for such evacuations commenced in the ZI to be sure that adequate facilities, especially sea- oestlitiesthdelaytnhe Min Sanenae Fo) going vessels, were provided, For planning purposes the monthly status reports of the projects yielded much information with regard to the location of instrumented stations, the numbers of people involved, end their distribution throughout the atoll. Because of the size and scope of the operation, it was plenned to esteblish a chronological check list for each of the shots, listing the activities to teke place during the five days prior to shot time. It was believed that this would provide for an orderly movement of personnel and equipment with minimum interference to experi mental preparation during the critical period. copied/DOE LANL. 3-Div. Th ——_ JA ue during the critical build-up period. The station had to be abandoned in March owing to excessive fall-out fr and was only reactivated in April by providing off-shore support for the personnel in the “if unloading equipment on the beach in January and was out of commission ‘ ‘ }