Hearing on Lunar And Deep Space Exploration

NASA Associate Administrator, Human Exploration and Operations William Gerstenmaier, left, NASA Special Assistant to the Administrator Mark Sirangelo, Director, Cornell Center for Astrophysics and Planetary Science, Co-Chair of the Former Committee on Human Spaceflight, National Academies of Sciences, Engineering, and Medicine Dr. Jonathan Lunine, Chair, Aerospace Safety Advisory Panel Dr. Patricia Sanders, and, President, Faulconer Consulting Group, LLC Mr.