Hello @mauromar, this is really amazing, and although autonomy is supposed to represent an advantage, at some point the maneuverability of these large vessels will be a problem not only when they have to enter a port, but also in cases of meeting other vessels along the way. However, I think it is a good proposal that will be perfected in a short time.

Regarding the longevity of the population and the lack of productive labor is a serious reality that is being experienced worldwide, this is very worrying.