John Calvin writes:
>
> Actually Mike, the SOSA system to which you refer is a passive
system. It is only able to track things that make noise regardless of
the chemical makeup. Active sonar, where being metal really makes a
difference is in itself detectable, due to the fact that it must send
out the sound signal (ping) and wait for the reflection. Now a
magnetic detection system, which SOSA is not, would function as
described in your above paragraph.
Needs a nuke have a large magnetic field? I don't think so. Using a
liquid-filled blimp, one can create a buoy almost without any
signature. The water is a good shield, so you can make the warhead
very light.
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