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a. A thorough briefing of the U.N. observers prior to
their arrival in the EPG.
This probably would be conducted
at UCRL, Berkeley, California, and will require about one
week.
b. The observers should be in the EPG approximately one
week prior to firing the "clean" shot to permit their
inspection of the techniques to be used in the demonstration.
c. Measurement of total yield would be accomplished by
fireball photography.
d, Observers should be permitted to inspect and to
ride in stripped-down B-36 aircraft used to collect cloud
samples,
e,
Fission yield would be determined by radiochemistry
at UCRL, Berkeley, in the presence of the observers and
‘possibly with their assistance.
A decision has not yet
been made as to whether or not samples will be given to
the observers,
The conduct of such a demonstration will require that the
Joint Task Force remain active in the EPG for at least an
additional three weeks.
It is estimated that this will involve
the expenditure of a minimum of an additional 1 1/2 million
‘dollars out-of-pocket by the DoD.
The additional time and money
required could exceed these amounts in the event of weather
delays.
The additional costs for AEC laboratory participation
in this demonstration are estimated at approximately $500,000 to
$1,000,000.
These. costs do not include the cost of the weapon
or of the normal operating expenses of the military units
involved.
If the U.N. observers are to be present, it is believed
thas an international group of news media representatives should
siso attend this demonstration.
The total number of observers
should be limited to approximately 45 to permit their accommodation without undue difficulty,
It is estimated that about
15 scientific observers, selected by the U.N., should attend to
insure that they obtain a complete coverage of the technical
phases of the demonstration,
This would permit the attendance
of approximately 20 vepresentatives of U.S, news media and 10
representacives from the media of other nations,
It is considered
appropriate that the AEC, in conjunction with the DoD, select
the U.S. press representatives, and that the State Department
arrange for the selection of news media representatives from
other nations.
The AEC recommends that the OCB consider the impact on
public opinion of foregoing or carrying out a program substan
tially as outlined above and recommend as bo whether such
program should be uncertaken.
The AEC recommends further that the OCB note that, if
undertaken agencies should proceed immediately with further
action as follows:
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