Well, if you are on an inter-generational spaceship it doesn't really matter if you care about 'the mission' or not, going back is likely not an option. That s

Well, if you are on an inter-generational spaceship it doesn't really matter if you care about 'the mission' or not, going back is likely not an option. That said, there are multi-generational jobs and have been for a long time. So its not exactly uncommon for generations of people working in the same direction.