2. To deternine the dimernsio.s of craters formed by surf..ce
detonations of high yield devices.
3. To study the effects of the shock wave and attendant winds
upon a natural tree stand.
HOGRAM 4 - BICMEDICAL STUDIES
1.5
Initial plans for CASTLE included a study to determine the biological effects of neutron flux as a function of distance for high
yield detqnations.
This program was cancelled because the IVY test
results indicated reduced significance of effects of neutrons relative
to other effects for nuclear detonations of high yield.
1.6 PROGRAM:6 - SERVICE EQUIPMENT AND
TECHNIQUES
7 ‘Director - Lt Col D. I. Prickett, USAF
1.6.1
Objectives
1. To obtain.weapons effects information by use of manned aircraft for use in determin ng and improving the delivery capability for
high yield weapons.
i
2.
To operationally, evaluate shipboard atomic warfare counter-
measures in regions of intense:~fadioactive fall-out, outside the limits
of direct blast and thermal damage, in conjunction with water surface
and ground surface detonationsof high yield devices.
3. To provide for theLimited study of effects and techniques
bearing on the problems of detects communications, decontamination
and protection.
PROGRAM 7 - LONG RANGE parecer
ry
Director - Col P. R. wigna11, USAF
:
-‘nso
1.7
©
ii
To continue the development and evaluation of the various techniques under consideration by the U. S. Air Force for the long range
detection of atomic detonations.
7
1.8
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PROGRAM 8 — THERMAL
RADIATION MCASUREMINTS
Director - CAFT N. £. Kingsley, USI
There exists a military requirement for the determjnation of the
physical characteristics of thermal radiation from large-airburst
detonations to provide information on energy partition and provide
a basis for assessment of effects on personnel and materials.’
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Since all CASTLE detonations are planned as surface detonations
it is considered that the military effects requirements for thermal
radiation information is sears) covered under Frogram 18 Los
Alamos Scientific Laboratory (LASL) which provides for power-time,
spectrum, air transmission and total thermal energy measurements.
ll