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This involves detection and identification of nuclear explosions
carried out in the following physical environments.
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1, At the Earth's Surface and at Low Altitudes within the USSR
and China.
It would be feasible to detect and identify explosions at the
.earth's surface and at low altitudes, having yields down to about: ‘|
riistsss with the net of seismic, acoustic and electromagnetic stations
“located within the USSR and China, described in Appendix A. Positive
identification requires the collection of nuclear debris which may in
some cases involve overflight of the USSR or China.
2. At Very High Altitudes Over the USSR and China.
Electro-
magnetic detection techniques, based on theoretical predictions, show
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great promise of detecting and identifying nuclear explosions created at
very high altitudes. This is discussed in detail in Appendix B. A close
net of some :1 }electromagnetic detection stations would suffice, subject
to confirmation of actual capabilities. Earth satellites could carry
instrumentation for detecting and identifying the nature and location of
nuclear detonations both within and outside the earth's atmosphere.
3. Below the Earth's Surface. Nuclear explosions conducted well
below the earth's surface are mostdifficult to detect. (See Appendix C)
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