From: roy@panix.com   
      
   "Chung Leong"  wrote:   
   > The return vehicle would be fairly large too, as it needs to carry fuel for   
   > returning to Earth. In addition, it would carry the reentry module   
      
   I assume by "reentry module", you mean, "reentry to Earth's atmosphere"?   
   If so, it's not really needed.  The return vehicle could park itself in   
   Earth orbit and a shuttle (or other vehicle) could rendezvous with it to   
   get the cargo.   
      
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