270° clockwise to 80° radial distanee 100 0 etn 2 ene” ae _. Cipeulap RADEX around GZ of 30 18 hee - > AABRADER, iplue 2 hour, 10,000 fees ant up (true bearings frm G2)3 95° clockwise to 35° maximum distance 10 IM 35° clockwise to 95° maximm distance 35 NM " . a 40,000 fees and up (true bearings from GZ): Fa 85° clockwise to 50° maximm distance 25 \M 50° clockwise to 85° maximm distance 60 NM H plus 6 hours, 10,000 feet and up (true bearings from GZ): 90° clockwise to 45° maximm distance 30 NM 45° clockwise to 90° maximo distance 180 NM 40,000 feet and up (true bearings from G2): 85° clockwise to 5° maximm distance 80 NK 50° clockwise to 85° maximum distance 290 NK At approximately OCO3CM a directive was passed to CTG 7.% by voice and TWX reference the first two UNION cloud trackers. Wilscn 2 was directed to search in the racetrack holding pattern 50 NM west of GZ from H plus2 te H plus 5 hours at 10,000 feet, then to sector from GZ with limiting true bearings of 65° and 95° to SOO NM. ‘“Jdlson 3 wae directed to search in the same holding pattern, from H plus 2 hours until released, and at analtitude at the discretion of the pilot to avold natural clouds bue act in excess of 60,000 feet, The British Sampling Unit at Kwajalein was advised of the forecast air particle trajectories, the forecast GZ winds for Hellour, and authorised to penetrate the Danger Area if necessary, and in accordance with scramble and routing instructions to be issued at H plus 14 hours by CIG 7,4. The advisory included a directive to file a flight plan through the Kwajalein Liaison Officer using the advisory as authority for UNION flights, (This unit did not ee on UNION due.to engine failure on the one aircraft available post-shot During the early pre-shot morning period, the PC boat at RONGENIK was directed to have all weather detachment personnel aboard by 26120M&M (i.e. after rawin run) wd be prepared to move south at best speed in the event of fall-out, or when so directed, A final weather/radsafe cheek was maie at O400M with no change made in the original forecast. The final wind observation at BIKINI indicated a favorable shift in the lower levels such that the winds veered around clock= wise with ascending altitude, Transient shipping contacts being favorable, UNION was detonated from a barge off YUROCHY in the BIKINI lagoon in approxdte | mately 120 feet of water at 26061CM April 1954 without undue incident to the No3 _a —_—