Hi,
when looking into the human technology tree in the "help"-section I noticed that multiple ships are missing.
This is what I can see in the technology tree:
http://prntscr.com/lf47nyAnd this is what I see in the standard unit "catalogue":
http://prntscr.com/lf48a2The following units are in the catalogue but NOT in the technology tree: Space Wanderer, Juggernaut, Jouann