U.S. billionaire Jared Isaacman completes first private spacewalk ArirangNews 0 22 09.13 20:05 https://www.youtube.com/watch?v=C2tFBc9evB4 + 7 https://www.youtube.com/feeds/videos.xml?channel_id=UCzznO4xSV8BKnUBPy… + 3 U.S. billionaire Jared Isaacman completes first private spacewalk