----. . * carefullyscrutinizedidentification credentialsbeforetake-of f was pemitted. Thus,W a seriesof successiveand thoroughsecuritychecksat the entrancewaysof progressively more exclusivesecuri~ zones,and with proportionately finer gradationsof screening,all personnelwho were proceedingtouaxdthe heart of the operationalarea were subjected to the closestscrutiny. d. Musters. At scheduled,althoughunannouncedtimes,all personnelashoreand afloatwere musteredfor sightidentification and physicalcount. In additionto the obviousadvantageof protecting personnelagainstphysicalharm, it providedJ-2 the opportuni~ to check for the presenceof unaccountedfor or unidentifiedstragglers and wanderers. e. PhysicalSecurityChecks. All islandsin EhiwetokAtoll were subjettedto frequentsecuri~ suaepsat unannouncedtbs 7.5 personnelcarriedby boat or llaisonaircraft. Thus, by m . a fittingclimaxwas providedfor a carefullyintegrated personnelsecuritycontrolplan designedto preventthe ent~ of hostile agentsto the inner xwcesses s of a mid-oceanlaborato~ where the nationf most closelyheld secretwas being tested. 5. Temtim All Procedures. personneldepartingfrom the qulredto refreshtheirmemoriesas to the operaticmal area,were re- punitive provisicmsof the AtomicEner~ Act, the EspionageAct, and the penaltlesfor Acing a false offloialstatement. Oertlficates nre requiredto the effoot 30 Smtiai II . :, “-