While Tucker was the first Human male to become pregnant, as well as the first known Human participant in interspecies reproduction, Doctor Phlox said the embryo was not techinically Tucker's child, but that he was simply serving as a host.
When the ship was tracked down, the embryo was successfully transferred to another host.
A malfunction with Tucker's environmental suit occurred on Titan's surface, so Tucker desperately tried to take off his helmet, but Archer saved his life by preventing him from doing so.
(") He experienced existence in a weightless environment when Ensign Travis Mayweather showed him the "sweet spot" on Enterprise.
( Brannon Braga believed Tucker's difficulty with adapting to conditions aboard the Xyrillian ship helped show him as different to characters from later in Star Trek chronology, Braga commenting, "That's the kind of stuff you would never see a Riker do, because they're just too seasoned." (Star Trek: Communicator issue 139, p.