Ir B-29 control aircraft followed the lower portion of the cloud fram which most of the samples were taken, Only one of the T-33 aircraft took what was considered an excellent pass m the cloud, although all made adequate samples, Aside from the scattering of the cloud, another possible reason given for the sampling difficulties was that the sampler control aircraft waited too long before calling up the sampler aircraft, PRIVACY ACT PROTECTED MATERIAL REMOVED 56 APYHO SWEH-2-0034 42 Lag tS