HEADQUARTERS, Joint Task Force SEVEN Washington 25, De Ce 20 June 1953, 1600 R Operation Order CJTF SEVEN No. 1-53 Chart References: a. be Ce UeSe Navy Hydrographic Chart No. 5203, North Pacific Ocean, MARSHALL ISLANDS. U.S. Navy Hydrographic Chart No. 6032, North Pacific Ocean, MARSHALL ISLANDS, Northern Part, BIKINI ATOLL. UeS. Navy Hydrographic Chart No. 6033, North Pacific Ocean, MARSHALL ISLANDS, ENIWETOK ATOLL. Task Organization le & Task Group 7e1 (Scientific) Dre William E. Ogle, LASL b. Task Group 7.2 (Army) Cole Frank J. Sackton, USA Ce Task Group 7.3 (Navy) Rear Admiral Henry C. Bruton, USN d. Task Group 7.4 (Air Force) Col. Earl We Kesling, USAF (Acting) e. Task Group 7.5 (AEC Base Facilities) Mr. James E. Reeves, AEC General & Scope of Instructions (1) This operation order covers the activities of Joint Task Force SEVEN during the CASTLE buildup phase. Subsequent instructions will cover on-site activities during the CASTLE operational phase, which commences with the arrival of task groups in the forward area. (2) "Forward Area", as the term is used in this operation order, is defined as that area encompassing the MARSHALL ISLANDS. (3) "ENIWETOK/BIKINI Danger’ Area", as the term is used in this operation order, is that area encompassing ENIWETOK and BIKINI ATOLLS and bounded by the meridians 160°35t-166°16' east longitude, and by the parallels 10°15t-129%5' north latitude; an area of 150 miles by 350 miles. (4) "Closed Area", as the term is used in this operation order, is defined as including the land areas of ENIWETOK and BIKINI ATOLLS, the water’ areas of the respective lagoons and the water areas within three (3) miles to the seaward side of the respective land areas. (5) This operation order supplements the instructions contained in CJTF 132 Operation Order No. 4-52, which remains in effect. b. General Situation (1) By authority of the Joint Chiefs of Staff (JCS), Joint Task Force 132 (JTF 132) was activated on 9 July 1951 for the purpose of