From: Spike Jones (spike66@ibm.net)
Date: Sat Dec 12 1998 - 11:25:43 MST
Eugene Leitl wrote:
> Michael Lorrey writes:
>
> > > Actually, what's the point in sending a Tomahawk from an off-shore
> > > Destroyer or human-piloted fighter/bomber, when you can send
> > > something up in a parabolic trajectory that uses GPS to steer while
> > > decending upon its target?
>
> I'm not sure, but don't you get EM shielding during atmospheric
> reentry due to the plasma screen?
yes. this is a major shortcoming of gps guided exoatmospheric
devices. at typical reentry velocities you have only a very few
(typically 3) seconds to reacquire gps and react. this might be
enough, if you are already verrrrry close to your indended trajectory... spike
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