Vs ee oy. : 166 position 15 miles soutneast of FnubU Isiand for protective pur.cses, effects aircraft were in the array. 65 fwo air aborts occurred, 0 vevan samplers participated, 66 The radiation safety eP2V¥ (7 vluuntUT) aborted after taxeoff pecause of mecnanical cifiicuity. It was replaced by a se- cond v2. (5 AILOn0OT), wnicn also abdortea after taxeoff, ine mechanical difriculty on tne first p2V naving veen rectified, tne orizinal aircraft joined tne array and completed the mission, \ TernkK.* The first of tne uperation NedonseL snots at vohnston lsisand was the ultra nigh altitude detonation of evice of a vredicted ine device was carried aloft by a neastone &fssiie. «ne detonation occurred some five aauticai miles south vf Jonnston lslind, at 235) nours on 31 July, coiaston isl-na iocal time (at 21,0 nours on l August, Marshall Islands time,;. ail ten aircraft scheduled to parm ticipate carried out their missions as vJlanned, aositicns at H-hour, und aii were in ore-appointed wo dumsige was sustained by any aircraft. Atl aircraft reoorted high frequency communicatious di:ficuit, ufter H-nour. lhe voice count-acwn was received by tne participating aircrart oy either ultra hign frequency or nign freqvency radio, Uline. ‘SEER75-2 of a 2restcteoR22, awwd..s was fired from a .and surface position on YVOaus Lsluna, uniwebok at i2l5 ncurs on 6 wu;pust 2Yod, after « one-a1y sosbooneue..t. 4 sce also “Coeralion toil, cour airceralt woo. cue (Cuuhiston aba muy,” tais carter, AFWL/ HO —_ : “ .