vice for the entire Task Force. 2. TG 7.2. Provision of monitors for security sweeps and maintenance of a pool of trained monitors and decontamination operators to back up TG 7.1. 3. TG 7.3. Provision of facilities afloat for ship-based re- covery operations together with the necessary helicopter services and execution of the lagoon water sampling plan. 4. TG 7.4. Execution of the radiological safety portion of the aircraft cloud sampling program and provision cf air~ craft and personnel for the conduct of the Task Force cloud tracking program. 5. TG 7.5. Assumption of radsafe responsibilities for the entire PPG (except Eniwetok Island) during the interim operational periods. With the exception of TG 7.1, the greater portion of the radsafe personnel for the entire Task Force were “additional duty types with only a few "primary duty" staff and supervisory personnel, (For necessary supervision, each task group was assigned at least one fully trained radiological defense engineer.) Thus, the Army Task Group trained radsafe personnel from each activity of the group; the Navy Task Group placed radsafe under Damage Contrel in acccrdance with routine Navy organizational practices; and the Air Force Task Greup utilized flight crew members as monitors and maintenance personnel for aircraft decontamination. The one exceptior, TG 7.1, had been designated the major radsafe unit for on-site op- 189