1.2 Responsibility 1.2.1 Overall At the beginning of Operation HARDTACK, the Commander, Joint Task Force Seven assumed overall responsibility for the radiological safety of all Task Force personnel. 12.2 TG75 The CTG 7.5 held Rad-Safe responsibility for the personnel of TG 7.5. The CTG 7.5's Rad-Safe Adviser was responsible for staff di- rection on all TG 7.5 Rad-Safe policies, The AEC Rad-Safe Officer was designated the Assistant Chief of Staff, E-7, with responsibility to the TG 7.5 Deputy Commander for supervising the Rad-Safe operations and recommending protection measures, The Contractor's Rad-Safe Officer functioned as the Operations Officer and provided the necessary support. During periods when neither the Rad-Safe Adviser or the Assistant Chief of Staff, E-7 was at EPG, the AEC Rad-Safe Assistant acted as Assistant Chief of Staff, E-7. 1.2.3 Facilities On 1 April 1958, the CTG 7.5 relinquished to CTG 7.1 the opera- tional control of the Rad-Safe facilities operated during the non-test periods by the AEC Contractor, H&N. on 3 September 1958, This control was returned to CTG 7.5 15 days after the last detonation,