SpaceX CEO Elon Musk discusses U.S. space operations with Royal Canadian Air Force Lieutenant General Christopher Coates, the North American Aerospace Defense Command Deputy Commander and U.S. Air Force General Terrence O’Shaughnessy, the Commander of NORAD and U.S. Northern Command, April 15, 2019. During Musk’s visit to Colorado Springs, Colorado he participated in conversations and round table briefings about future space operations and homeland defense innovation.