over relativelylarge groundareas,the postingof guardpersormel‘WLSso plannedas to affordmaximun uninterrupted shieldingto the most highlyclassified materials. Zach of these islands,for example,maintainedhourlyjeep patrolsfor observationof the entirearea and for the inspectionof sentryposts and stations. In addition,the followingguardpostswere established: a. Port ‘Control Point. The sergeantof the ~nard and 2 enlistedtienwere stationedat the Port Control Point over a 2L hour period. Lacomtigtrafficfrom the water was stoppedhere, registeredand checked for badgesand accesspermitor entxy list authorizations. b. Air ControlPosts. At the air strips(For small planesof the b5 type),1 sentrywas stationed from 0700 to 1900 hours. His dutieswere the same as those of sentriesat Port ControlPoints. ~ Zero Towers. At least 1 guardwas shtioned at each of the tower areasover a 2& hour period. ~. Timer and BlastStations. 1 guardeach was stationed at these installations duringthe non-workinghours of 1800 to 0600. The dispositionof guard stationsat Parxy Island, site of the firingcontrolstation,was similarin many 42 SectionII ,