Bef proceeding toward the formation at 15 knots. eraft reported on atation, The two project air Ships took up their shot tine headings as the final phase of the voice tine broadcast was piped out over voice circuite. Personnel assentled topside to view the shot, There was still a« feeling of doubt: among thea a last minute delay would not have come as @ surprise, But at 0610 on 26 Apeil UNIOg was detonsted. Shot nusber four wes finished, with only two te go. 7e ‘The chock wave passed without hareful effects the formation _ wes well clear of the radioactive elond, %STES left her chet station and heeded south, At 1000, with the cloud dispersed te the northward, the ships moved {a toward Bikint ani BAIROKD prepered to launch helicopters for the initial RadSafe survey. The survey wap completed is the early afternoon. Ry 1500 the lagoon was declared safe for re-entry and the ships entered end anchored. fhe airetrip wis debria-riddea to such om extent that flight operations could not de resumed, so at 1800 ASTHS eailed for silwetck with COTP SEVER and staff on board. The other task group onites renained behind te resums work noxt mornings to recover URION data end prepare for YANKEZ. GS With UNION fired, NECTAR was echedaled fcr detonatian two days later, on 28 April. ESTES arrived at Eniwetok the morning of 27 Apel and disembarked the Tack Force Commander and headquarters staffa, The weather held, ani when the 27th. was confirmed as KECTAR ainusone dey, CTG 7.3 with a emall operational ataff laft Bikini by PHI sod flew to Eniwetok, moved aboard ESTES, estahlished 169 AFWU/HO : .