SpaceX Super Heavy Booster 4 rolled out to launch site

Watch footage of the rollout of SpaceX's Booster 4, the Super Heavy prototype that will attempt to launch Starship SN20 into orbit. Credit: Space.com | footage courtesy: SPadre.com (https://twitter.com/SpacePadreIsle) / Elon Musk / SpaceX | produced & edited by Steve Spaleta (http://www.twitter.com/stevespaleta)