} r iag i sise auan ‘A wo “ ot SSRs Pree tine to Giag various Departsent of Defense agencies emmosrned with eperations] predleas sansested with Pecifisc Preving Grounds tests have raised informliy the questics ef the apprexisnste date of whetever eporation is planned for that area fellowlng IVY. Inesu Qs you may wish to Bring this matter te the attention of the delat Chiefs of Staff for necessary suppert planning purposes, 1% is our opinion that a date of approxinately Septeabar-Cetcder 1663 represents the best guess thet osa be sade at this tine fer eccupaney @f Eniwetok Atoll following IVY. CASTLE is the ecte name assiered te the series ef atomie teste at the Pacifie Proving Greunds fa the Fall ef 1953. We will keep the Comaittee inforaed in any ehanges ia the abere plans. Singerely yours, b GHITED STATES aAPOMIe ENERGY Comnrss 18 Sizned HENRY D, SMYTH (teak: WAAAW Ronorable Robert LaBsron Chairwan, Military Liaisen Coacittees to the Atomie Feergy Coazission 1 BEST COPY AVAILABLE DOE ARCHIVES