There are connections between Q and the Secret Space Program in. Its existence was acknowledged in Q2225. A person who patented what essentially looks like a TR-3B (https://patents.google.com/patent/US20060145019A1/en) goes by the name "St Clair John Q".
Seeing that GEOTUS created the Space Force, which is according to some people an attempt to transfer Secret Space Program/Solar Warden assets into the public domain and begin declassifying the technologies, is it too far-fetched to say that the President is currently staying on a classified space ship or station?
What could be some connections between CASTLE_ROCK and other (endgame-related) drops, the SSP/Solar Warden, NASA, astronauts and space and astronomy in general?
No. He's in Florida, finally free from having to give a shit about people who concoct theories like this. He's always had contempt for all of you, just like every other president.