In article ,
says...

"Rocket Man" wrote on Thu, 30 Aug 2018
06:43:22 +0200:


Is the spaceplane for manned or unmanned launches?


Unmanned at present, although it could be manned in the future. Google
is your friend...

https://mainenginecutoff.com/blog/2018/03/black-ice

They're a long way from crewed flights. They'll need to get the
baseline launch vehicle(s) flying first.

Jeff
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