162 ROOT: DASA 2019-2 [ would not think you could anticipate the delivery of a hy- drogen bomb from a country that had not already teated. Great Britain is no threat tous. TAYLOR: The fission bomb is a different story. delivered by anybody. ROOT: BRUES: We know It would be either Russia or China. That could be Yes. 1 think the timing is another question. !! seems to me that, at least in our public statement--[ don't know about our inside knowledge—we have consistently underestin:ated the rate at which the development would be made in other places, FREMONT-SMITH: ROOT: Yes, every time. The tag has always been tess than we have given them. FREMONT-SMITH: That's right. WARREN: You can't teli whether it's a fishing expedition. They may know a good deal more but they made the charge and then see what happens when they get a rebuttal; more information comes from it. The trouble is we've got all kinds of activities at different levels that we do not knowabout. FREMCNT-SMITH: We don't know perhaps about each other. UPTON: You mentioned some American personnel on an island nearby there. Are data available on relative degrees of contamination in comparison with the ground level in these groups? I myself am wondering to what extent sheltering was effective under those conditions. CONARD: Well, they were certainly quite effective {rom the point of view. of the skin contamination and the internal absorption of materials. UPTON: And the thyroids were not particularly hot? CONARD: Wedidn't examine the thyroids from that point of view originally. We didn't suspect that they would have any thyroid accumulations at that point. Kut the American servicemen definitely had