Ge so po a" Re so oo ofoe” e” in the aree mist be ccuntered by ail means at the disposal of the Joint Task Force and by requests for information from neighboring commands in Japan and (8) Hawaii. The principal inteilizgence effort must be concentrated in maintaining security. The measures to insure security consist of sexurity drill and training to prevent inadvertent disclcosure of information and in preventing wiauthorized persons having access to the area ag well ss the supervision of information which is released to the press. 2. SUMMARY OF ENEMY CAPABILITIES: a. It is considered that interference with the mission or compromise of ay activities couid be effected by: Espionage: Espionage could be accomplished by the 1 penetration of personnel. into the Task Force or the defection of personnel within the Task Force. In addition, espionage could be accomplished by photographic means from ship, aircraft or submarine with the latter two being most plausible, Submarine approach within 2.500 yards o1 less of important isiands -f the atull oz cverflight by enemy aircraft are posstbie. By gnck means periodic photography and observ: ‘ict coujd record and interpret the progress, provecs cf preparation, types of sonstructiorn and the approximate time of important operitions from the acticities within the atoll. (2) Sabotage; (3) OvertActionbyVerse:orAurervaft: Overt action by vessei or airerart ¢ouid t.k6 the jorm of attack by » gunfire or assault. (4) Raids: Raids could be sorducted by aggressive or surreptious meth-ds under the cover of darkness from combatant skips end eubmarines. The landing and recovery of raicers by submarine could be accomplished urder the conditions of darkness and the Sabotage couig be atrouwpiished by the penetration of personne: ini+ the Task Force, the defection of per 30061 within the Task Force or, more remotely. oy 2 raiding party ianded from the sea, Subversive action vy these means could run along the Lines of the destruction of comm unications and techni a4 installni.on facilities within the aicil. confusion resutiing from thetr activities. (5) Observation: hy overt observation of activities in the area from 4 verse) immediately outside the three (3} mile Limit. 2 determined ship commander could, in part, compromise the operations. (6) TASK GROUP 7.4 Unauthorized instrumentation- Interference with the mission could be accomplished by electronic countermeasures oy a vessel or aircraft operating some OPRS ORIER NO. 1-53 ANNEX A arwilHO ? i$ o’ @° gf’ j seor S$ Ps oe