411018
lr. Forrest Western,
October 7, 1957
Assistant Director for Radiation Protection, IBM
JELETED VERSION ONL
Y
Gordon H. Dunning, Chief, Radiation Effects of Weapons Lrench
Division of Biology and Medicine
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This dtcun nt OT:
HARDTACK
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The following are my thoughts and understanding concerning fallout
studies for Operation Hardtack:
It has not been finally decided which shot will be used as the "land"
shot for the progran of fallout studies recomended by AFSWP, but
probably will be
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Thore ig sozc clight possibility yet remaining to tag a land cl.st in
es much that cn additionsl land detonation of era be fired
for a foreign observers prograa.
Tracer materi
svilficient c.scnts
could be adccd to this u_cpon, but if the prograa is carried formrard,
a part of the proposal would be for other nations to tsg this t.ccron
with their om tracers.
If they were to do so, which thoy probably
would, ow tracer experizsnt probably would not succeed.
Thsre ceoens
little likelihood at this tima that an additional shot could be added
to Hardteck for the sols purpose of fallout stucies.
‘The other consideration that heve been in the mill were to tag the
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