There's nothing quite like walking in the footsteps of your ancestors or in the case of Jack Thatcher, sailing - to marvel at their fortitude, skill, and ability in navigating the largest ocean in the world, Te Moananui-a-kiwa (The Pacific Ocean). He's with Justine Murray weeks after stepping ashore from a round trip voyage of 10,000 nautical miles from Aotearoa to Rapanui to Tahiti.