SECRET
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The President
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HEDWING results from the fact that two of the high altitude effects
shots must be|
and
the fact that at this altitude all of the fission yield is presumebly .
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deposited world-wide.
The contingent shots would beve encther:
of fission yield but aithleoffsite in view of the fact that
ali would be surface bursts.
the netessity of each shot. This review will include an axeination
by the Generel Afvisory Camittes of the scientific necessity for the
laborateries' exploratory and Gevelopeantal tests.
Raspectfully yours,
(Signed) Towle L. Strauss
AR
The White House
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| Uraniua-235 for the coninct of two safety tests to be held at the
Mevetia Fest Bite late in calendar year 1957.
Dwight D, Eisenhower
by
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I have noteé the plans for testing described in the above letter and
approve the expenditure |
_ of plutonium and |
of
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{ December 3, 1957
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The White House
Dvight D.Eisenhower
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The contribution to world-wide zetlout from these 23 firings would
be slightly greater than from REDWING, but!
OF that —