CNN's Rene Marsh describes being aboard the first commercial US flight to Cuba in more than 50 years. <script type='text/javascript' src='http://z.cdn.turner.com/cnn/van/resources/scripts/van-widgets.js'></script> <div data-cnnvansinglewidget data-affiliate='gantdaily' data-videoid='world/2016/08/31/us-flight-lands-in-cuba-marsh.cnn' data-size='auto' data-autostart='true'></div>