Lo - oe UNITED STATES $2 BOX No 321 : ATOMIC ENERGY COMMISSION aEbOSITonvilttd|Glee oL ‘cottectionké SACRO 6COSFCOTS Z 412036 ~ ee J WASHINGTON 25, D.C. This doc:nment consicts of 3 pryes = 3% le f mete Ce aga No... of 4h . Copies, Series (CAINS F224 oF -ofo] A pres Seen) Dear Mr. President: On November 23, 1957, I wrote to you concerning our plans for testing i: ce in Operation HARDTACK, the spring 1958 test series at the Eniwetok Proving Ground. In this letter, I stated that in January I would i e submit to you a listing of the shots planned, their individual objectives and the amounts of special nuclear materials concerned. arg eae he ae ee eg z 2 5 evised somewhat. il CKETED fn tds CLASSIFIED | ince writing you, our plans for testing in HARDTACK have had to be’ On December 12, 1957 we were informed by the Wepartment of Defense that the development of the POLARIS missile pystem was being accelerated and were requested to accelerate the WPOLARIS warhead. _ In order to meet the new POLARIS schedule it has Zgx@\been necessary to revise the test program connected with development 13 889232 -of this warhead. Two nuclear shots have been added to the one Ie Geo¥POLARIS shot earlier scheduled in the HARDTACK program, In addition, 3 gibiessa third contingent shot will be readied to be fired only if the two ia 63885? scheduled shots do not give the necessary data to meet the early SIAgA« *ycapability POLARISrequirement. Boa e eT i tir has been necessary also to add to the program one other laboratory atest.i )' 81S oO obtain the required data. ‘| he MLEfeat degete nse pte DETERMINATION (CIRCLE NUM ERS] a TOE5E50.2B CDCLASHFICATION RETAINED md REVIEWE REVIEWER (ADD):‘. ~{ Name: {A). : nn CLASSIFICATION CHANGED TO: Si TES,aad ancienceemmammaaa . EEPeerroe3 eT», i ee eer tee. Tes dogger! 2 4. COGRDINATE WITH. 9. CLASSIFICATION CANCELLED 6. CLASSIMED INFO BRACKETED oe nl da 8 we Woah Bs f =Page a ae Be . Co segs SUSE,aSn omer Ee stay ‘pone dats ts hey dt ky ‘ 1 2 eo 5 % ( :‘ 90'37, | Cisaree0 eaIDD O7e8 6A 326 © £5 rf a27- 1262 7% eg Maryn eScopaysTamersSteer , AOPR EES elgg is J.COUTAIMS NO DOE CLASSIFIED INFO ——~-_| | pecanatiaiesae DEPARTMENT OFENERGY DECLASSIFICATION REVIEW Z ¢ SINGLE REVIEW AUTHORIZED|BY: v* | é. Wevery"it18 how félt necessary-to test this {# . ge® / ye) ST ametapes , SemmmmeMpUaNemERESTNpe EN 2 NRL a 2 gt i Pe en as ee Se oe oe «yr ee “a ea

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