Allan Schoenberg, VP of Global Corporate Communications, Nasdaq, center, talks with Bigelow Aerospace, LLC Founder and President Robert Bigelow, left, Boeing Global Sales and Marketing, Space Exploration, Kevin Foley, Axiom Vice President of Business Development Michael Lopez-Alegria, and NASA Senior Economic Advisor Alex MacDonald, right, during a live social media event shortly after NASA announced a five-part plan to open the International Space Station to expanded commercial and marketing activities and private astronaut missions to the station and enable additional commercial destinations in low-Earth orbit, Friday, June 7, 2019 at the Nasdaq MarketSite in New York City. NASA will continue to maintain human presence and research in low-Earth orbit, and the long-term goal is to achieve a robust economy from which NASA can purchase services at a lower cost.