materials,weaponcomponentsand relatedequipmentfrom the Pacific Coast to the MarshallIslandswere, of necessity,made in considerable detail. Accomplishment of the otherelementsof the physicalsecurity missioninvolvedthe establishment of echelonsor controlpointsat Washington,D. C., Long Beach,California,Fort Shafter,Oahu, T. H., Kwajalein,M. I., and Eniwetok,M. I. Detachmentswere also required aboardthe & major ships of the Naval Task Group (TG 7.3). Thus, securityprotectionwas requiredat pointsextendingover a distance of 7,000miles. From lgoctober 19&7 to 29 February1948, the major effortof this Branchwas devoted,therefore~to planningand organization. Duringthat time,a caxwfullyselectedgroup of 50 officersand 220 enlistedmen fraz the Armed Forces,as well as 37 SpecialAgentsof the Arqy and Air Force Countertitelligence Corpswas assembled. As the