way II 51 Proving Ground," ‘The mission of the Test Aircraft Unit was to provide, Maintain, and operate aircraft for the task group; and, the mission of the Test Base Unit was to provide necessary support to Air Force elements of Task Group Tele? Upon {ts organizations, Headquarters Task Group 7.4, Provisional was attached to Air Force Speofal Weapons Center for administration, logistic support, and operational control while on location at Kirtland, Operational planning for the task group "will be accomplished by Joint Taek Foree SEVEN." Furthermore, the Effects Element was attached to Wright Air Development Center for administration and logistic support, and the Ionosphere Element was attached to Air Force Cambridge Research Center for administration and logistic support. The general order sti~ pulated that, upon arrival at Eniwetok in accordance with competent movement orders, each of these organizations was to be relieved from the specified attachment and to become an operational part of Task Group 7.4 and Joint Task Force SEVEN.° Effective 7 October 1957, the third major subordinate unit of the task group, Headquarters Test Services Unit, Provisional, was designated and organized at Andrews Air Force Base, Maryland, with an authorized strength of six officers and eleven airmen, The personnel were attached for duty to the Test Services Unit from organizations within Military Transport Service to which they were permanently assigned, / 3 so AFWL/ HQ

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