foot RiDEX for H plus 1 hoyr with sector bearing —“——~ av. waieee- "= 5% True, clockwise te 240° True, maximum dis= —- *- tance § NM. Supplement tho 40,000 foot RiDEX , for H plus 1 hour with sector bearing 95° True, =~ ¥% clockwise to 240° True, maximum distance 15 iM. cvs At abouts the same time, tho routine H minus 18 hour advisory ws. dispatchedto CINCP..CFLT announcing KOON schedule for 070620M, weather pormittyig., The advisory included the forecast 72-hour air particle trajectories for ten, thirty, fifty and sixty thousand foot. 4 stata=- ment was included to the offoct that no significant fall-out was fore= cast for populatcd Marshall tolls, It was recommended that no air routes bo closods No health hazard problem was forecast for surface routas outside irca GREEN. CHICP..CFLT was advised that an intensive search was boing conducted ‘n .rca GREEN and in a sactor 240 NM wide out to 600 NM centered on -ue bearings 45° from GZ. is an additional safoty measure CINCP..CPLT .as rcqucstcd to divert all ships from tho soctor Dangor .rea 240° clockwise to 95° to 450 NM. No know: transicnt ships were in the arca. (Note: The sector scarch on 45° was subsequently cancolled due to a similar search on 30° the previous day's It was docided that the soctor scarch would be conducted post-shot if — necessary. Que to the low yicld, this requirement did not matcrializo.) Tho British Sampling Unit on Kwajalcin was notified of the current scheduled shot datc, and informed thet further information would be in= cluded in the H minus 6 hour advisory. at the midnight Command Bricfing, the forceast shot time winds were favorable, having considerable southerly flow in tho nid~lovols. Howe aver, light to moderate scattcred showers wero f=recast for H-Hour and beyond. It was decided to stand firm on the decision to shoot and to take a lock at the woather/radsafe situation agein >t 0430 on shot day. The forecast fall-out plot by clliptical approxinztion is included in .Inclosure h. abt approximately 22004 CTG 7.4 wes directed to sct up the first two cloud trackers, Wilson 2 and Wilson 3. i/ilson 2 :2s directed to seerch from H plus 2 to H plus 14 hours from base to a three-hour race= track holding pattdrn 50 NM west of GZ at 10,0CO fect, thence to a 500 NM scctor with liniting true bcarings from GZ of 65° and 95° at 10,000 fect, Wilson 3 was dirceted to scarch from H plus 2 hours until re- leased, in the holding pattcrn specificd above, at an altitude sclectcd by the pilot to clear natural clouds, but not in oxcess of 6,000 feet. (‘lson 3 ultinstcly flow at 4,900 fcet,) Based on tho recommendations contained in the Surface RDEX dircce tive, CIG 7,3 informed all task groups of the following ship movements for shot time: the H-Hour position of the Command Ship (ESTES) would be cn true bearing from GZ of 88° at 25 NM. ..t H plus 5 minutos, (i.¢., after completion of firing requircncnts) tho Command ships would commcnee noving south at 15 kmots. Its probable H plus 2 hour position and thereafter would be 134° True, 33 NM all from GZ with a possibility of moving fron lied