sa . 452 ( @ SS) Project 11.2 ~ Sampling - 8, ¥, Plank (P, FP. Moore) SOLENT Four Pefl, and two B-57.Wpe airerafy equipped for aloud sampling as described in the Report were used om this mission, The P-8 aireraft were designated by the code name Tiger, the 5-57 airoreft that were used for sampling was given the code neme of Hotshot and the other B57, which was used as the control aircraft, was Cassidy. WEATHER Predicted and observed wind sheere ware very high, on the order of 200 to 300 degrees and 8 to 10 knots in velocity difference per 5,000 feet change in altitude, e ( Cload scver consisted of about 3/8 scattered altocetratas from 18,000 to 20,000 feet, but this did act intrude on the bomb eleud or interfere vith viseal penstretion af the sampling targe 7 Sake aura BEST AVAILABLE COPY OS Tae alow! rove in « straight oolwm rueching « top altitade af 32,000 feet tm lees then 10 mimtes, The eleud began to break up repay under the influence of the strong direction) wind shears althoagh velecitics vere lov ensugh vo that the aloud did act break ime separate pieces for a considereble tims, but instead stretehed out inte a leng, very thin epirel shape, wrtil about 1) hours after baret time, when the arus ef the spiral started te break apart and Spread cat into emall thin streta. The alow! was of a very prumcunced ‘wed eolor at all times, whieh was ef great aid in leeating the long, thin steings of the clead in which sampling peustreticns were més, Yl sr