^Like I said, it's not just any fictional spaceship, but one that's played an important inspirational role to a generation of astronauts and aerospace innovators. That's why it was put in the NASM in the first place. Even in 1974, the importance of
Star Trek to the space program was understood and appreciated. These days, the
Enterprise may seem like just one of the countless fictional spaceships out there, but that's because people don't appreciate its role in history -- and that's exactly why we need museums to remind people of that history.