4 JAN 18 1957 Sa MEMORANDUM FOR RECORD: SUBJECT: Visit of Colonel E, A. Lucke, USA, and Colonel Rotert Gattis, USAF, to Joint Task Force SEVEN Headquartera, i 1, Colonel Lucke and Colonel Gattis of Task Group 7,1 visited this headquarters on 8 and 9 January 1957 for the purpose of discussing operational and logistic problems associated with Operation HARDTACK, Set forth below is a report of topics discussed and commands visited during their stay in Washington, so far as is known to the J-3 Division. A separate Memorandum for Record has been prepared by the J-§ Division concerning communication matters discussed. 2, At 0900 on 8 January 1957, a meeting was conducted in the JTF-7 War Room. The following personnel attended: Colonel Massey, Colonel Lucke, Colonel Gattis, Commander Ellison, Lt Col Gray, Lt Col Epley, Lt Col Johnston, Major Policastro, Major Dean, Major Richie, and Captain Blumenson, The purpose of this meeting was to dicuss certain specific problems pertaining to HARDTACK and to provide an opportunity for members of all staff divisions to discuss itmes of mutual interest to JTF-7 and TG 7.1 with Colonels Lucke and Gattis, during this meeting, a. The following specific topics were discussed Concept of the Operation. Colonel Massey informed Colonel Iucke that this headquarters desired at least a preliminary concept of Operation HARDTACK at the earliest possible date, It was pointed out that this concept is needed not only for planning purposes, but also to help this command in defending its extra military budget for Operation HARDTACK, It was emphasized that while we realize that there is little firm planning data available at this time, any information whatever presented officially to this headquarters would be of assistance in orderly planning. Colonel lucke replied that he would relay our request to Dr, Felt, and that he believed that Dr, Felt would be able to vrovide us with some information by 1 February 1957, It was his understanding that a letter containing such information is now being prepared for Dr. Ogle's signature. He also stated that as a result of discussing the concept of the operation with Dr, Graves, Dr, Ogle, and Dr. Felt, it appears that HARDTACK would be very similar in scope to REDWING, The following is a verytentative list of anticipated detonations: = Number PELETEN The scope of divided. It than was the any possible Yieig DELETED participation of the two laboratories will be about equally also appears that more megaton shots will be fired at Eniwetok case during REDWING, The shots listed above do not reflect carry over from Oreration PILGRIM, nor do they include those which are teing requested by the DOD, AFWL/ HQ Tre %,p.| ~