GENERAL ORDERS NUMBER $1, 25 September 1957, HEDARDC (Cont'd) Page 2 DESIGNATION ASSIGNMENT UHA, VHA Aircraft Element, Test Aircraft Unit, Kirtland Air Force Base, Air Foros Effects Element, Test Aircraft Unit, Wright-Patterson Air Force Ionosphere Element, Provi~ sional Test Aircraft Unit, Laurence G. Hanscom Field, Bedford, Massachusetts Support Element, Provisional Test Base Unit, Provisional Provisional Provisional 2. LOCATION Provisional Provisional New Mescico Base, Ohio Eniwetok, Marshall Islands The mission of Task Group 7.4, Provisional is to provide, operate, control and support all necessary Air Force participation for Joint Task Force Seven engaged in testing at the Fniwetak Proving Ground. 3. The mission of the Test Aircraft Unit, Provisional and its elements 4s to provide, maintain and operate aircraft for Task Group 7.4, Provisional in connection with activities of Joint Task Foroe Seven, 4e = The mission of the Test Base Unit, Provisional and its elements is to provide necessary support to Air Force elements of Task Group 7.4, Provi- sional engaged in testing at the Eniwetak Proving Ground. TV. PROVISIONALUNITS. l. Effective 1 October 1957, Headquarters, Task Group 7.4, Provisioml is attached to Air Force Special Weapons Center for administration, logistic support and operational control while on location at Kirtland Air Force Base, New Mekico, Operational planning for Task Croup 7.4, Provisional will be accomplished by Joint Task Force Seven. 2. Effective 1 October 1957, the Air Foroe Effects Elemant, Provisional is attached to Wright Air Development Center for administration and logistic support. 3. Effective 1 October 1957, the Ionosphere Flement, Provisional is attached to Air Force Cambridge Research Center for administration and logi-~ stic support. 4. Upon arrival at Eniwetok, Marshall Islands in accordance with competent movement orders, each of the units indicated in this section are reliteved from their attachment. V. GENERAL. 1. ‘Authority: AFWL/ HQ Air Force Regulation 20-27, 15 Teptemb:r 1955. s CR THE COM‘ANDERs —INCLOSURE 23, PAGE 2

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