SUBJECT>Defence construction
POSTER>Bombardier 
EMAIL>bandicoot5@juno.com
DATE>July 02, 1997 at 15:15:04
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<P><hr>

When the Euro-probes reach Mars, we will hopefully have adquate defences in place against them.<p>But what will they be?  Specifically, what will pose an insurrmountable obstacle for this design of probe?  Will the steep-sided trench do?  Or will it have to be someting else?<p>*<br>*<br>*<br>B

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