ENCLOSURE II
25 April 1955
CITE: BY 8308
THRU:
Dr. H. A.. Fidler
San Francisco Operations Ofc, AEC
Col, Vincent G, Huston, Acting Chief
Research Branch
Division of Military Application
U. 8. Atomic Energy Commission
1901 Constitution Avenue
Washington 25, D, C,
RE:
CLEAN WEAPON DEVELOPMENT
Dear Colonel Huston:
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REQUIREMENT AND MEANING
A clean weapon is one in which the radioactive after-
effects are reduced to a minimum,
The need for such a
weapon has been outlined and discussed in a number of
places; for instance, in a letter of Genépal Fields to
Dr. York (2/9/55); a letter of Secretary Wilson to
Admiral Strauss; and in discussion between the writer
and Commissioners Libby, Murray and Von Neumann.
“caletilated that for the case of “average
the local
faliout intensities would be reduced by a factor of
twensy 48 compered: with the fallout produced in a bomb
getting 60% of its. yield from fission as 1s roughly the
case for the present thermonuclears.
METHODS FOR PRODUCING CLEAN EXPLOSIONS
We know of two general methods for achieving such |
results.
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Enclosure
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