Operation Order CJTF SEVEN Noe 1-53 conducting Operation IVY at ENIWETOK ATOLL during 1952. On 21 May 1952 the JCS designated the Chief of Staff, U.S. Army to continue as Executive Agent for a subsequent overseas atomic test (Operation CASTLE) and broadened the missions of CJUTF 132 to include the execution of CASTLE. . (2) Operation IVY was completed on 21 November 1952. (3) On 1 February 1953, Joint Task Force 132 was administratively redesignated as Joint Task Force SEVEN (JTF SEVEN) with no changé in the previously assigned mission of conducting Operation CASTLE. (4) Task groups of the joint task force were activated as follows: DATE ACTIVATED TASK GROUP HEADQUARTERS Scientific Task Group (TG 7o1) 2 Jan 52 Los Alamos, New Mexico Army Task Group 1 Aug 51 Eniwetok Island, Mole TASK GROUP (TG 702) =! - Naval Task Group 8 Feb 52 Air Force Task Group 1 Jan 53 (TG 73) (TG 74) AEC Base Facilities Task Group (TG 725) .4 Mar 53 : . Washington 25, Do Co Kirtland Air Force Base, Albuquerque, New Mexico Santa Fe Operations Office, Albuquerque, New Mexico (Activated after Operation IVY) (5) By authority of the JCS, the commander of the joint task force currently exercises operational control of the task groups (other than TG 7.2) for planning and coordination only (defined in Annex A), with full operational control of all task groups to be assumed by CJTF SEVEN’ upon arrival of task groups in the forward area. (6) By authority of the JCS, CJTF SEVEN exercises administrative control of task groups (defined in Annex A) on certain matters per- taining to CASTLE. (7) On 17 February 1953, CJTF SEVEN submitted a report to the JCS which outlined the organization for the joint task force, participa- tion by the Armed Forces and basic operational plans and policies for the conduct of Operation CASTLE. This operation order is based on the plan submitted to the JCS, and approved by the JCS on 14 April 19530 (8) Security, Intelligence and Public Information - Annex C. 2o Missione ae The immediate missions of JTF SEVEN ares To prepare for the conduct of Operation CASTLE, the operational phase of which is scheduled to commence in January, 1954.