hokulea's missions. native hawaiian, his roots in this valley go back two hundred years. >> nainoa: my grandfather was born here. so i grew up milking cows here with my grandfather. >> anthony: he spent many years learning traditional polynesian navigation techniques from a master. mau piailug, of the small micronesian island of satawan. >> nainoa: this is a man that was chosen by his grandfather. at one year old he was put into tide pools to be trained and learning the wind and the water. and, at five years old, he was sailing with his grandfather. and, then, he would never say that as some sense of abuse but only love. he says, "yeah, when the wave make the canoe move the canoe make me sick, my grandfather threw me in the ocean so i can go inside the wave. and when i go inside the wave i become the wave. and when i become the wave now i'm navigating." at five. so, when i approached him, he just said to me, "you're too old. you want someone to know everything send your son to my