The first ocean navigators did use small rafts to do it. That's how they managed...

		aurelianito on Aug 28, 2016 \| parent \| context \| favorite \| on: SpaceX's Dragon cargo ship splashes down in Pacifi... The first ocean navigators did use small rafts to do it. That's how they managed to go to Easter Island, for instance. So your affirmation confirms that SpaceX is preparing for interstellar travel.