From: dietz@dls.net   
      
   kenw@kmsi.net wrote:   
      
   > Whereupon I felt compelled to ask, if oxidizer is so cheap and easy to   
   > carry, why don't we dispense with jets altogether for in-air flight, and   
   > just use rockets?   
      
   Because the vehicles have very different missions.  Cruising for a long   
   time at near-constant speed is an excellent application for air breathing   
   engines.  Launch vehicles are accelerators, not cruisers.   
      
   	Paul   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)