A Nasdaq moderator, center, talks with NanoRacks CEO Jeff Manber, left, NASA Manager of the International Space Station Research Office Marybeth Edeen, AlphaSpace Founder and Chairman Stephanie Murphy, and Made in Space Vice President of Advanced Programs and Concepts Justin Kugler, 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. Photo Credit: (NASA/Bill Ingalls)

JSC2012-E-029874 (14 Feb. 2012) --- During a ceremony on Feb. 14 at the Astrium North America facility in Houston, two principal participants shake hands as a gravitational research centrifuge gets handed over by Astrium ST to NanoRacks LLC representatives. The handshake of Ulrich Kuebler (second right) of Astrium ST and Jeff Manber, managing director of NanoRacks, symbolizes the working relationship between Astrium ST and NanoRacks, who are working in cooperation with NASA, to deliver the commercial centrifuge facility to the International Space Station. At left are Luca Pieroni of Kayser Italia, one of Astrium's partners in construction the centrifuge, and Achim Schwarzwaelder of Astrium ST . NASA Photo courtesy Astrium North America

JSC2012-E-029875 (14 Feb. 2012) --- During a ceremony on Feb. 14 at the Astrium North America facility in Houston, two principal participants shake hands as a gravitational research centrifuge gets handed over by Astrium ST to NanoRacks LLC representatives. The handshake of Ulrich Kuebler (second right) of Astrium ST and Jeff Manber, managing director of NanoRacks, symbolizes the working relationship between Astrium ST and NanoRacks, who are working in cooperation with NASA, to deliver the commercial centrifuge facility to the International Space Station. At left is Achim Schwarzwaelder of Astrium ST. NASA Photo courtesy Astrium North America

JSC2012-E-029877 (14 Feb. 2012) --- During a ceremony on Feb. 14, at the Astrium North America facility in Houston, some of the principal participants stand near a gravitational research centrifuge which Astrium ST handed over to NanoRacks LLC representatives. From the left are Jeanne Becker, President, CEO and Executive Director of the Center for the Advancement of Science in Space (CASIS); Ulrich Kuebler of Astrium ST ; Jeff Manber, managing director of NanoRacks; and Marybeth Edeen, U.S. National Lab manager at NASA?s Johnson Space Center. NASA Photo courtesy Astrium North America