me |" —: ' OPERATIONS SECURITY FORCES 1. <A verimery eiesion of feosk Group 7,3 was to provite for the security of the Eniwetok/Eikinl Danger dren, Forces assigned to sceomplias thia slerion were the four DD¥s of Fecort Iestreyor Mvision Trelve augnented by PC 1546, Petrol Squatron Trenty-Fine, @ six fighter elfreraft detachment of Composite Squadron Three, and the Enivetok Underwater Petection Unit. 2. OF¢ 7.3%s ability to perform the security aiasion vas Uimited by the atrength of the forces previded for the purposes, and was still further reduced by the frequent diversion of sacurity units to other duties ae the Cperntion progressed, Within these limits, effective security messures were carried cut on very nearly the level Planned for the Cperation, although often af the arpense of adequate upkeep and treininzg, Security 3. ECPERSOW, KICHCLAS, PHILIT, BIOSFAU and TC 215K6, unter Comaander *eoort Destreyer Mivision Twelve, formed the Surface Seourity “nit, It was this unit's aission to prevent wifriendly forves from calming intelligence of Operation CASTLE and to detect and counter hostile action aguinst any unit of Joint Tack Force SEVER, Patrol end escort vere the basic mans by which the aission was accomplished, Ag WusHL The surface craft were responsible for condusting