I d i i HEADQUARTERS TASK GROUP 7.1 MEMO TO: Distribution | . December 27, 1956 Gaelen L. Felt ~~ RADA RI ad bob oe (ym-2 a yr - wtherrea ' we weaagnel EE SR Te et 5 UCRL is hopeful of establishing a firing capability at Taongi Atoll for HARDTACK, the next overseas test series, now thought of for the late Spring and early summer of 1958 Though at present it appears that neither’ LASL nor AFSWP has any immediate interest in such a facility, it would ‘ t ew ' _ SUBJECT: _TAONGI CONCEPTS Refs: J~15G178 Kpooes FROM: 3 JOINT TASK FORCE SEVEN CRM FILE BC i nonetheless become a part of the Eniwetok Proving Ground ani should there- |. : sf fore be considered in the over-all Task Group and Task Force plans. , The arguments behind the UCRL interest, as I understand them, area conviction that we should have a minimum of two firing sites for large devices and a hunch that Bikini is no longer possible for one of the sites. I share the conviction about two sites, but am not yet willing to share the hunch about Bikini. 24 ES 2s aN (2):7'83 Eek S ; Sz a2 ; 2658 With regard to Bikini, UCRL believes Ce z¢ the AEC will either take action itself to curtail its use or be obliged to as a result of outside pressure. By HARDTACK time it is expected that the natives will be repatriated on the atolls east of Bikini. This could lead to UN pressure on the US to curtail or discontinue testing at Bikini in order to guarantee no repeat of the CASTLE episode. In view of these considerations, I have agreed with Jerry Johnson that members of the Task Group staff would undertake a study of the implications of developing a facility at Taongi.e It is desirable that we study three separate situations: 1) that Taongi is included in the EPG merely as a third site, 2) that Taongi is included as a third site while the Bikini site is restricted as NTS is for PILGRIM, and 3) that Taongi is added to EPG while Bikini is completely inactive. The concepts should be prepared in the light of what is known about the HARDTACK program. Generally speaking, I expect HARDTACK to be similar in scope to REDWING. From discussions with Johnson (UCRL), Frank Shelton (AFSWP), and several people at LASL, I expect the program will consist of the following shots: Th's mat o ; ter eriig} contai tains ns inf i ormatii on ' 7 “vy: 7 ver Ay 7 ma < me TOS DOCUMCAT CONG TS OF..3_PAGE(S) £E % -. affecting @ nulional pores cf tho Usy t 3 wihin the mea™ oe menage laws | ‘tal i i< rs Tie 18, UL ih, tremonl: sey mae aU Maniucr hiby a es cd 754 a “Aoa war . the . pa any %

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