ems tae! Seale PART I, CHAPTERS 1 and 2 *Rongelap H&N an performed new construction on Truk, Rongelap, Ponape, and Nauru, 660, 280, *Wotho *Ujelang *At these locations Rad-Safe information was provided by U.S. Public Health Service personnel, independent of the JTF Seven Weather Servicestaff. All stations provided RadSafe service as a protection to the inhabitants. 370, and 770 nautical miles respectively from Eniwetok Atoll. Rehabilitation and/or new construction were also provided at the otheroff-atoll sites. The camps at Wotho, Ujelang, Utirik, and Rongelap were operated by H&N, whereas the gther off-atoll locations were operated by JTFeven, CHAPTER 2 MISSION — TASK GROUP 7.5 2.1 The principal tasks assigned by CJTFSeven to TG 7.5 were detailed in the following JTF-Seven publications: Administrative Plan 1-58 b. Operation Plan 1-58 c. Operation Order 35-58 d. 2.2 c. Operate pass and badge system for EPG. i. Operate guard system for the protection of restricted areas. j. Handle reception, custody, security, and movement of test devices, weapons, and classified materials within the EPG. k. Operate and maintain TG 7.5 boatpools at Sites Elmer and Nan, and at (Interim Phase Operation Order) Based on the above documents, CTG 7.5 b. h. Operation Order 45-58 published the following: a. 2.3. (HARDTACK-Johnston Island Phase) , Support TG 7.1 Rad-Safe organization by providing personnel, equipment, and facilities. Johnston Island. CTG 7.5 Operation Order 1-58 Standard Operating Procedure Task 1. Special instructions for each event m. Group 7.5 Provide the necessary structures to meet diagnostic and military effects test requirements. b. Construct and operate camp or base facilities at Johnston Island, Bikini Atoll, and all islands of Eniwetok Atoll, except Sites Fred and David. c. Operate all utilities at Bikini Atoll, Eniwetok Atoll, and Johnston Island, except the POL farm on Site Fred. d. Construct camp and operating facilities at off-atoll Weather and RadSafe Stations. e. Operate and maintain communications centers to serve TG 7.1 and TG 7.5. f. Operate and maintain telephone systems required at Eniwetok and Bikini Atolls, except Site Fred. and trucking Participate in Task Force pre-shot and emergency post-shot evacuation plans. The following is a brief summary of the responsibilities of TG 7.5: a. Provide stevedoring operations. - a. g. n. a Provide Air Priorities Agents and cargo handling personnel to expedite and control the shipment of personnel and cargo hetween Eniwetok and Bikini Atolls and between Eniwetok Atoll and the Weather and RadSafe Stations. 2.4 Three major obstacles were encountered in accomplishing the mission of TG 7.5. (1) The late receipt of criteria from the Users and the advancement of the Operation starting date from 1 May to 15 March 1958 compressed the construction schedule into one that was approximatel three months less than that of Operation REDWING. It should be noted that since the Laboratories did not have a firm delivery schedule for all devices to be tested in sufficient time to provide diagnostic requirements and criteria to H&N, con- b Page 18