various areas of military interest,
The nature and results of this
study are briefed in the following paragraphs.
In Project
3.1 a rigid 6 by 12 by 6 ft cubicle at 9500 ft from
the EEG22220500 was instrumented to record pressure v8
time o
icle faces,
Records were obtained, but the pressure
Seattle ae 2 Ublip senhated adh hd wareeall ce bplabnagtb lak tysgg tees mae yay
field was on the order of 3.5 pai instead of the order of 15 psi which
had been expected on the basis of predicted yield. The data are yet
to be analyzed and interpreted.
In Project
4.2 the apparent craters formed by ‘ne elation
tg
rite
detonations were measured by fathometer soundings as originally planned. The results are briefed as follows:
.
Crater formed by
Diameter, ft
6500
Depth of Apparent
Crater, ft
120
700
1500-2500
2k
r
20*
~
“Below original bottom which was 160 ft below water surface.
In Project 3.3 a study was made of tree d
firikku,
Rukoji and Chieerete islands from ‘A 22%.
Graded damage was observed, but data obtained are yet to
and interpreted,
be analyzed
Project 3.4 determined the effects 0:NEE: navel
mines of various types planted at distances of 2,000 to 15,000 ft
from the detonation site. Graded damage was obtained from O per
wal &
cent at 15,000 ft to 100 per cent at 2,000 ft.
Project 3.5 was activated immediately after tne SD. to
document the unexpected damage to the camp on Eninman and certain
instrumentation shelters near ground zero.
This was done primarily
by photography.
webeWbjak
This study represented the first observations by Americans on
human beings exposed to excessive doses of radiation from fall-out.
The groups of exposed individuals are sufficiently large to allow
good statistics,
Although no pre-exposure clinical studies or blood
Covlegsn og
Q, 4-Div,
38
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et
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2.35.4 Program 4, Biomedical
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