I imagine Google is on that. There's not a huge difference between a self-driving car and a self-driving truck. A self driving ship on the open sea sounds like

I imagine Google is on that. There's not a huge difference between a self-driving car and a self-driving truck. A self driving ship on the open sea sounds like an easier engineering problem than a car/truck, simply because there is more space with less players. Getting into port may be much tougher to solve, although I'd imagine that a properly calibrated computer could compensate better for the action-reaction lag than humans.