During the .erio -vhen Task Group 7.4 was operati at Kirtland Air Force Base, assistance was provided by the Staff Judge Advocate of the Air Force Special Weapons Center. Arrangements were made with the Commander Pacific Air Forces to provide legal assistance when needed at Eniwetok by placing a qualified officer of his staff on TDY with the Task Group. It proved necessary to request such assistance on three occasions during the on-site phase of the operation. The Test Aircraft Unit included the data and sample collection aircraft. Its commander was formerly the Deputy Commander of the 950th Test Group. Therefore, he well understood the problems connected with flying aircraft in the vicinity of nuclear detonations and through nuclear clouds. His deputy was the Commander of the 926th Test Squadron (Sampling), one of the units assigned to the 950th Test Group. This latter officer and his unit were experienced, through participation in previous operations, with all aspectsof nuclear cloud sampling. The remaining Elements assigned to the Test Aircraft Unit were provided by various Air Force and Navy commands and came under our operational control when they arrived at the Eniwetok Proving Ground. ‘The Test Services Unit was manned and organized by the Military Air Transport Service to provide normal MATS services to the Joint Task Force. Its commander was an officer with experience in tany phases of MATS operations. Coincident with the arrival of the Commander Test Services Unit in the forward area he assumed command responsibility for all MATS units based in the Froving Ground. - - The Test Base Unit, whose task was to provide air base facilities and local airlift, had as its nucleus the 1951st Support Squa.ron (Test), and a detachment of the 2kth Helicopter Squadron, PACAF, whose permanent homes are at Eniwetok. These units were augmented as needed to meet the test require- ments by their parent commands, the 950th Test Croup and PACAF respectively. Sie to 19 ce