a 177 a ought to produce a good deal of information. It isn't ag bad as I think you intimated, per~ haps with somewhat of a disappointment. There are a couple of hundred thousand kilotons of fission, kilotons, MR. EISENBUD: DRe CLAUS: A souple of hundred All right, several hundred ~ about a third of a megaton , let's put it that way, but the chot 1s big enough to carry the stuff pretty high, so that you get distribution, It's true that the quantity is going to be more difficult to study which is the activity when it disintegrates; there's @ good deal of it and it ia going to be carrieit out and distributed over a sizeable area gO thet if one can measure at these levels with any degree of accuracy, we should get a pretty nice determination of the pattern, ZI believe that if you folks at NRL concentrate on that one shot, which comes early — hoy in the business 30 that there will not be s0 much attenuation, perecnnel and equinment should get some very worthwhile recults,

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