Galileo, or more formally STS Galileo XIX, was Spacesim's shuttle from 1991-92 to 2000-01. It was a golf cart, donated by the Pineview Golf Club, a sponsor at the time, and modified to look like a shuttle. It was named after the famous scientist. It was first put together, mainly by Brad Browne, for Luna 1992.
Galileo took the astronauts from Earth to the Habitat.