From: jfindley@cinci.nospam.rr.com   
      
   In article ,   
   jfmezei.spamnot@vaxination.ca says...   
   >   
   > On 2021-05-27 07:43, Dean Markley wrote:   
   >   
   > > No, Apollo 9, 10, 11, 12, 14, 15, 16 and 17 all had two manned ships   
   operating at the same time.  If you consider the ISS as a US ship, then all of   
   the shuttle flights to it plus the recent SpaceX missions would count.   
   > >   
   >   
   >   
   > I was thinking in the context where there had been discussions about   
   > NASA would have had issues having 2 shuttles operational at same time in   
   > orbit (radio comms, telemetry etc).   
   >   
   > When a Dragon is docked on station, does it go to sleep and depend on a   
   > data connection to station for any communications, or does its radio   
   > remain active and SpaceX still control/monitor it 24/7 ?   
      
   Only SpaceX knows the answer to that question.   
      
   But, I'd imagine that Dragon would not be completely powered down simply   
   because you wouldn't want to chance that it wouldn't power back up in an   
   emergency.  And if that's the case, I'd imagine that SpaceX would be   
   monitoring it 24/7.   
      
   Jeff   
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