I am a ship known for a specific, albeit brief, historical mission. My service was directly linked to a significant political event. I was originally built for commercial purposes, not military. My name evokes a sense of both adventure and destiny. Which ship am I?

1. My mission ended quickly, but its impact reverberated.
2. I was chartered, not commissioned, for my famous role.
3. I was initially used for civilian transportation.
4. My name is related to exploration and fate.