PART I, CHAPTERS 3 and 4 “During the operational period, the Commander, Task Group 7.5 (Assistant Joint Task Force Seven, assure yourself that you will be able to resume your original position of responsibility with respect to the EPG upon the termination of General Luedecke’s special authority. Managerfor Test Operations, ALOO) will have physical custody of and be accountable to the Senior AEC Representative for all nuclear devices and their components “As to the fiscal aspects of the operation, agreements already in force between ALOO and the Joint Task Force will apply. In addition, you will support the on handor enrouteat its start, as well as for those placed in his custody during the operational period. The Commander, Task Group 7.5, will also be responsible for the operation of the SSN materials accountability station for the EPG. At the end of the operational period the Assistant Manager for Test Operations ALOO,will resume complete custody and be accountable to the Manager, ALOO, for the nuclear devices and their components still on hand as of that date. “Our delegation of authority to the Commander, Joint Task Force Seven for both Operation HARDTACK and the EPG during the operational phase of HARDTACKis necessary for his successful conduct of that operation. It is recognized that we have thereby withdrawn from you, for the period involved, certain responsibilities which had been previously been delegated to you. Nevertheless, it is desired that you retain your long term responsibility for the EPG and by means -of direct liaison with and reports from operational needs of Joint Task Force Seven to the limit of the funds currently made available to you for that purpose, noting that General Luedecke has béen instructed to consult with the Commission in case operational necessity should require the expenditure of AEC fundsin excess of those available to you. “The Commission is aware of the many temporary administrative adjustments and compromises required for the success of Operation HARDTACK. Webelieve, however, that cooperation between you and the Commander, Joint Task Force Seven, as in the past, will solve any difficulties that may arise.” 3.3 In accordance with TWX-NR-1013, dated 24 September 1958 from DMA,the operational phase of Operation HARDTACK, Phase I, was terminated 15 September 1958. CHAPTER 4 ORGANIZATION 4.1 During. the interim, the planning, the build-up, and part of the roll-up periods relating to Operation HARDTACK, the maintenance and development of EPG were the responsibility of the Assistant Manager for the Office of Test Operations as delegated to him by the Manager, ALO, (See Figs. 1-8 and 1-9). During these periods, the CJTF-Seven exercised ‘ no direct jurisdiction over EPG activities. He was, however, responsible for performing operational planning and coordination. 4.2 The JTF-Seven organization became re- sponsible for all facets of Operation HARDTACK on 15 March 1958, when the operational phase officially started, Command and functional relationships are depicted on Fig. 1-10. The CJTF-Seven was the senior AEC representative at EPG during the operational period. 4.3. For Operation HARDTACK, TG 7.5 was organized as shown in Fig. 1-11. 4.4 At the beginning of the operational period, the Assistant Manager for Test: Operations, ALO, AEC, assumed the duties and responsibilitiés of the CTG 7.5. The Director, Pacific Operations Division, ALO, was the Deputy Commander, and the Chief, Eniwetok Branch, AEC, wasthe Chief of Staff. The personnel for the staff came from the Office of Test Operations, ALO; the Eniwetok Branch Office, AEG the Las Vegas Branch Office, AEC; and H&N. 4.5 The various Task Units of TG 7.5 comprised the regular divisions of H&N’s EPG organization, augmented by Personnel for the build-up and operational periods. 4.6 Security officers for E-2 operations were obtained on a loan basis from ALO, SAN, and LASL. 4.7° With the advent of Johnston Island events, transfers from within TG 7.5 were made without augmentation of personnel or overhead. 4.8 Detailed duties and responsibilities of the Commander, Deputy Commander, Chief of Staff, Resident Manager, H&N,staff officers, PRRRATTATEELATEALARAHAHEHEHEHHHHHOEOHG teas wen dade od