| LOS ALAMOS, NEW MEXEGO J3H4133 -V. GA A ~ a a ( N38te 1957 SUBJECT: In-Place Dates for Operation HARDTACK Inter«Island Shpport Aireraft TOs Conmander THIS DOCUMENT CONSISTS OF—2-PAGE(S) ATTN: Col P, R. Wignall COPE ERCay HG EO SFE TaskGroup 7.l, Provisional and AFB, New Mexico 1. NO-Z_OF/2<COPIES, SERIES. oO In response to the verbal request from Lt Col. B, Walker, dre, we have attenpted to estimate when additional intereisland airlift to support the scientific and construction effort for Operation HARDTACK would be required in the EPG, The estimates are very tentative at this time for two reasons. One, the experimental programs are not yet firm ar. ©: ee we Te and as a result, the construction requirements to support them can not be determined. Two, the use of TAONGI Atoll as a third Mring site has not beer either approved or disanpreved. The acquisition of TAUNGI . would modify the HARDTACK operat-onal concept and support requirenents would have to be revised accordingly. 2. It is understood that six L=20 aircraft ani four helicopters are presently at ENIWETOK to support interim operations airlift requirements “e at both ENIWETOK and BIKINI Atolls, Also, that on or about 15February 1958S 4t is plamed that the first half of the Harine helicopter uit will be : It is believed that the two additional L-20 aircraft should be in-place at ry in=place at BIKINI Atoll with the balance arriving on or about 15 Merch 1958, 3% ENIWETOK not Later than 15 Mareh 1958, Further,it is estimated that con- struction requirements will be such that a total of ten Air Force helicopters = will be required in the EPG not later than 1 February 1958. Some of the ten (=<=*%= helicopters would be required at BIKINI to provide airlift support until the Marine unit arrives and becomes operational, 3. It is emphasized that the ebove in-place dates are tentative; { however, as additional information becomes available which would modify the dates, you will be advised. lk. The above information has been coordinated with the DCTC 7.5 FOR TIE COMMANDER: h L Me SUSSIFCATIONcancel 53 cmettmna Plans & ree Pov ese gy yee ee st PER vUC REV JAN,29

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