During the times of the Greeks and Romans, there have been seaborne soldiers separated from their counterparts on the land. This tradition of sea-based soldiers continues today with the marines that serve in the vast majority of militaries as elite flexible rapid-response naval warriors.This fact is not lost on the writers and/or creators of military sci-fi, who first began using the term "marine" to represent their futuristic fleet-based soldier in 1932, with Captain Brink of the Space…