BECReEST”
GUIDELINES
l.
The detonations produced no radioactive fall-out becaugBe
2.
The detonations were one aspect of the HARDTACKsefies.
3.
These detonations were conducted in late August and early
(give technical explanation).
September; there were no unannounced detonations after October y
4.
There was no violation of the U.S. Government's policy of
announcing a nuclear test series in advance because there was no
policy of announcing every shot. Moreover, this was not the test ofa
weapon in the usual sense, buta scientific experiment utilizing nug¢lear
detonations to discharge electrons into the earth's magnetic field.
5.
Announcement has been withheld until now for purposes of
evaluating data acquired. It is being released now because of its
relevance to the question of detectability of high altitude detonations
currently under discussion at the nuclear test suspension talks.
&
Bb
6.
There was no violation of our IGY commitments. Unclassified information acquired by the satellite instruments has be
made available to the IGY.
7.
All safety precautions consistent with the remoteness of the
launching area and the height of the burst were taken by the Task Horce
elements responsible for the experiment.
8.
The nuclear materials were carried by X-17 rockets
launched from the USS Norton Sound in the South Atlantic.
9.
The sponsoring organization in the Department of Defehse
was the Advanced Research Projects Agency.
10.
The detonations were achieved by already proven warheads
of very small yield; specific yield classified.
PET PTISION OF CLASTIFIONTION, U.S, ENERGY
pPALAROI ASTD PEVILOPLINGT ADMINICTUATION, HAS
PEYRRMYINT THAT Torr orecunmet ToTIB LO
Poe Ty PS DMULEERLY RESTRICTED DATA.
bua tak WO CojLCTION TO Ive DECLASSIFICATION.
7
1975
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