Capt. Kirk and the crew of the Enterprise had a five-year mission. But one of the starship's shuttles has been on a nearly 50-year mission that ends Wednesday.

The shuttle craft Galileo, which appeared in seven episodes of the original Star Trek series, is settling in Wednesday at its final landing place, the National Aeronautics and Space Administration's space center in Houston.

It has been a long voyage for this nearly full-size shuttle that was built for "The Galileo Seven" episode, which first aired in January 1967. The historic TV prop might never have made it to the space center if it wasn't for a first-class Star Trek fan....