From: snidely.too@gmail.com   
      
   Snidely submitted this idea :   
   > Thus spake JF Mezei:   
   >   
   >> Looking at Inspiration4 landing.   
   >> They were the highest a human has been since last Hubble repaid mission   
   >> (and may have been higher).   
   >>   
   >> They jettisomed the "trunk" before de-orbit burn.  Is this SOP for   
   >> Dragon or special for this mission?   By detaching before de-orbit,   
   >> doesn't that create space debris with trucnk staying high up for a long   
   >> time (since that orbit was bery high) ?   
   >   
   > SOP.   
   >   
   > Orbit was lowered in 2 steps before jettison and the rest of the landing   
   > sequence; this was described by the SpaceX commentators.   
   >   
   > And the trunk is very light, so sensitive the slight atmospheric drag.   
   >   
   >> I was under the impression the standard was to fire de-orbit engines and   
   >> then separate which ensures both portions de-orbit with the capsule   
   >> distancing itself from the trunk/service module as soon as aerodynamics   
   >> kick in.   
   >   
   > Standard?  You mean like ISO?   
   >   
   > /dps   
      
   BTW, Soyuz does re-entry burn, discards *2* sections, and then feels   
   for the atmosphere.   
      
      
      
   /dps   
      
   --   
   "That's a good sort of hectic, innit?"   
      
   " Very much so, and I'd recommend the haggis wontons."   
                   -njm   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)