RINy A e c wae UN OUASSIFIED e as close as 400 yanis from Zero point. Since the 700 yard station was placed just on the near side of the channel separating Aoman and Bijjurt Islands part of the informmtion from thas station was lost because the blast imocked some of the structures into the water, A large fraction of the cans for the exposure of biolovzical mterials were blown into tms channel, Some of these were located by helicopter and than recovered on the next day uwiing a rubber Life raft and underwater foggles. The bio- logical cans from the close-in station were never located and it seems Likely that these were blamout into the ocein, Despite the tremendous effects of the blast the recovery of most of the itons belonzin: to TU 7ebs6 was very successful. The one project which again failed to pratuce any results was the test of the field collective protector, The blast pressure stopped the generator motor aml threw out the safety release so that it failed to restart, This power farlure stopped both the collective protector aml the moasurin,s devices, Steps were taken to prevent a re currence of this accident an Lest Cebra by installan; autamatic starting equipment am! disconnecting the relays. Wowever, the cascade impuctars in all three stations, the “Lame Duck", Rujuro Taland, and the drone at 16,000 feet operated successfully ami radioactive dust samples were obtained. The animal tanks were all undamayed by the blast but the close. in raft was overturned, Follomnm,; test Yohe both Captain Draeser and Caumander Taner collectal their materials and prepared them for shipment back to the United States for further anabysis. si. ye eee AO s ots: “po ORIteIe an