HEADQUARTERS, Joint Task Force SEVEN Washington, 25, De C. 20 June 1953, 1600 R Annex A to CJTF SEVEN Operation Order No. 1-53 ORGANIZATION AND COMMAND RELATIONSHIPS “le On 31 March 1953, the JCS established JTF SEVEN (formerly JTF 132) as a permanent joint task force for the purpose of conducting overseas atomic tests. Accordingly, it is contemplated that certain command relationship principles previously established by the commander of . 77iab the joint task force under JCS-AEC authority will continue to obtain. SS Under this command relationship concept the commander of the joint task forces EM i 6 a. , Exercises full operational control of the Army Task Group at all - times. . be. During the period between on-site operational phases, exercises operational control of all other task groups for planning and coor- dination. “Operational control for planning and coordination" is defined as that authoritative direction in planning and preparation necessary to insure successful accomplishment of the joint task force missione ce Assumes full operational control of each task group upon arrival of their respective headquarters in the forward area. The on-site operational phase commences with the establishment of JTF SEVEN Head- quarters in the forward area. During the on-site phase the AEC designates CJTF SEVEN as its overall representative in the forward area, thereby giving the task force commander complete operational control of the military and scientific aspects of the operation. d. Exercises administrative control of task groups at all times. This administrative control is defined as that control exercised for the purpose of establishing communications channels and coordinating reports, movements and fiscal matters exclusive of those pertaining to the administration of the AEC proving ground and contractors. 2. The Commander, JTF SEVEN will coordinate the activities of the Scientific Task Group and the AEC Base Facilities Task Group through his scientific director in accordance with existing AEC-CJTF policy agreements. 3. ~ In the absence of the task force commander from the ENIWETOK area, the senior task force officer present will discharge the responsibilities of CJTF SEVEN as ATCOM, ENIWETOK. Except in unusual circunstances, the senior task force officer present will be CTG 7.2. 4. 5. The senior task force officer at KWAJALEIN will coordinate matters involving joint task force activities (except movement control) at that station. Refer to the attached appendix for organization for Operation CASTLE prior to the on-site phase. P. W. CLARKSON Major General, U.S. Army Commander A-1