_! ane ee enaee em (1) wiva the Henned RES Beds: se tetiows,; he Tasi: Fores, : throvsh a contract, sictions operated The statio moritoring eq adiation detection end mosusins nst nent: m8 continous & ard water sempling equip= Mout; and they maintained owowrey sAie contact with the Headouarters. ee pest atien instruments, mostly rRenSeaneard were orovided by JTF=7, Each station coriphenent conslistcd cf approvimetely seven mer:. Of the ecven, four wors radio oscrators, tyo were camp operatcrs, ard one vas a Public Hoalth Service Officer. (2) FouorineStstions. In cooperation with the U. 5. Weather Bureau, tho U. S. Coast Guard, the Air Forso Weather Service, the cy 's £2 & & ot o c feraiien Sea Frontie ud the Hawelian Terrltoriel Health Despartent, in ad eee i Bene Stations, a total of 15 radiation mondber ring stetvions were establisnsd at existing weather and Public Health Servic ngualiztd ens care.schout the Pecific areca. These stations wers equirred with centinucus background recorders and HS = equipped raisate iovho, Thess stations ver na Public Hezlth Service. Ss bachground reciation standard milite) a t obsserves radiet ec instruments, Arrangements vere made for iS trunent rzadings and to report the ings throu;sh weather or routine radio channels, In addition, exy eonsecart &eading above backzround wes to ce reported promptly to Headouar vers, JJTF=?, The installation and sevieirg of tals network was accomplished by Public Health Service personnel atte hed to the Headquarters, (3) Cloud Trectcineg (a) P2V aircraft besed at Kvagelein were utilized for atomic cloud tracking on all events Y 4wwhich hi were expected to procuce hazardovs recicactive fellow » Tne aircraft reporisd to the AUC at either Eniwetok or Bikini at shot tins and were controlled by the He2dquarters RadSafe Office throuzh the use of direct telephone contect with the ACC, For shots where it wes necessary to obtein infcrmetion at altitudes and ranges beycnd the capebilitiics of the P2Vis, Task Grovs Tol, WB=$0%s were “exploved for the missions, The number of tracking flights required depended meiniy upon the fission magnitude of the shot and the stability of the existing wind field, (0) In addition to the cloud tracking, P2V¢s were used for the initial terrain survey of the shot atoll, the first time that fixed-wing aircraft were utilized for this type of survey. Precise raclation readings were not obteineble using this method; however, surface radiation intensities accurate enough for safety operations,mad were secured, This information permitted earlier re-entry end recovery than in the past, BEST COPY AV UILABLE 3 coe ee ee ee Bais