Members of the NASA Advisory Council toured the Space Station Processing Facility high bay at Kennedy Space Center in Florida on Oct. 29, 2019. In view is the interim cryogenic propulsion stage for the Space Launch System rocket. The NASA Advisory Council provides the NASA administrator with counsel and advice on programs and issues of importance to the agency. Committee members conduct fact-finding sessions throughout the year in an effort to gain a broad understanding of current NASA issues and future mission implementation plans.

Members of the NASA Advisory Council toured the Space Station Processing Facility high bay at Kennedy Space Center in Florida on Oct. 29, 2019. In the foreground is Bob Sieck, former shuttle launch director. The NASA Advisory Council provides the NASA administrator with counsel and advice on programs and issues of importance to the agency. Committee members conduct fact-finding sessions throughout the year in an effort to gain a broad understanding of current NASA issues and future mission implementation plans.

Members of the NASA Advisory Council toured the Space Station Processing Facility high bay at Kennedy Space Center in Florida on Oct. 29, 2019. In view is Sierra Nevada Corporation’s cargo logistics module. The NASA Advisory Council provides the NASA administrator with counsel and advice on programs and issues of importance to the agency. Committee members conduct fact-finding sessions throughout the year in an effort to gain a broad understanding of current NASA issues and future mission implementation plans.

Members of the NASA Advisory Council toured the Space Station Processing Facility high bay at Kennedy Space Center in Florida on Oct. 29, 2019. The NASA Advisory Council provides the NASA administrator with counsel and advice on programs and issues of importance to the agency. Committee members conduct fact-finding sessions throughout the year in an effort to gain a broad understanding of current NASA issues and future mission implementation plans.

Members of the NASA Advisory Council toured the Space Station Processing Facility high bay at Kennedy Space Center in Florida on Oct. 29, 2019. In view are displays describing NASA’s Gateway Logistics Element. The NASA Advisory Council provides the NASA administrator with counsel and advice on programs and issues of importance to the agency. Committee members conduct fact-finding sessions throughout the year in an effort to gain a broad understanding of current NASA issues and future mission implementation plans.

NASA Associate Administrator for the Human Exploration and Operations Mission Directorate William Gerstenmaier testifies during a House Committee on Science, Space, and Technology hearing titled "America's Human Presence in Low-Earth Orbit" on Thursday, May 17, 2018 in the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

NASA Associate Administrator for the Human Exploration and Operations Mission Directorate William Gerstenmaier testifies during a House Committee on Science, Space, and Technology hearing titled "America's Human Presence in Low-Earth Orbit" on Thursday, May 17, 2018 in the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

NASA Associate Administrator for the Human Exploration and Operations Mission Directorate William Gerstenmaier is seen prior to the start of a House Committee on Science, Space, and Technology Hearing titles "America's Human Presence in Low-Earth Orbit" on Thursday, May 17, 2018 in the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

NASA Associate Administrator for the Human Exploration and Operations Mission Directorate William Gerstenmaier testifies during a House Committee on Science, Space, and Technology hearing titled "America's Human Presence in Low-Earth Orbit" on Thursday, May 17, 2018 in the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

NASA Associate Administrator for the Human Exploration and Operations Mission Directorate William Gerstenmaier testifies during a House Committee on Science, Space, and Technology hearing titled "America's Human Presence in Low-Earth Orbit" on Thursday, May 17, 2018 in the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

NASA Associate Administrator for the Human Exploration and Operations Mission Directorate William Gerstenmaier testifies during a House Committee on Science, Space, and Technology hearing titled "America's Human Presence in Low-Earth Orbit" on Thursday, May 17, 2018 in the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

William Gerstenmaier, Associate Administrator, Human Exploration and Operations Mission Directorate, NASA Headquarters, testifies during a hearing before the House Committee on Science, Space, and Technology regarding access to and sustainability of the International Space Station, Wednesday, March 28, 2012 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Carla Cioffi)

William Gerstenmaier, Associate Administrator, Human Exploration and Operations Mission Directorate, NASA Headquarters, testifies during a hearing before the House Committee on Science, Space, and Technology regarding access to and sustainability of the International Space Station, Wednesday, March 28, 2012 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Carla Cioffi)

William Gerstenmaier, Associate Administrator, Human Exploration and Operations Mission Directorate, NASA Headquarters, testifies during a hearing before the House Committee on Science, Space, and Technology regarding access to and sustainability of the International Space Station, Wednesday, March 28, 2012 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Carla Cioffi)

William Gerstenmaier, Associate Administrator, Human Exploration and Operations Mission Directorate, NASA Headquarters, testifies during a hearing before the House Committee on Science, Space, and Technology regarding access to and sustainability of the International Space Station, Wednesday, March 28, 2012 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Carla Cioffi)

William Gerstenmaier, Associate Administrator, Human Exploration and Operations Mission Directorate, NASA Headquarters, testifies during a hearing before the House Committee on Science, Space, and Technology regarding access to and sustainability of the International Space Station, Wednesday, March 28, 2012 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Carla Cioffi)

William Gerstenmaier, Associate Administrator, Human Exploration and Operations Mission Directorate, NASA Headquarters, testifies during a hearing before the House Committee on Science, Space, and Technology regarding access to and sustainability of the International Space Station, Wednesday, March 28, 2012 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Carla Cioffi)

Acting NASA Associate Administrator for Human Exploration and Operations, Ken Bowersox, takes notes during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “Developing Core Capabilities for Deep Space Exploration: An Update on NASA's SLS, Orion, and Exploration Ground Systems," Wednesday, September 18, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Acting NASA Associate Administrator for Human Exploration and Operations, Ken Bowersox, testifies during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “Developing Core Capabilities for Deep Space Exploration: An Update on NASA's SLS, Orion, and Exploration Ground Systems," Wednesday, September 18, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Acting NASA Associate Administrator for Human Exploration and Operations, Ken Bowersox, takes notes during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “Developing Core Capabilities for Deep Space Exploration: An Update on NASA's SLS, Orion, and Exploration Ground Systems," Wednesday, September 18, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Acting NASA Associate Administrator for Human Exploration and Operations, Ken Bowersox, testifies during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “Developing Core Capabilities for Deep Space Exploration: An Update on NASA's SLS, Orion, and Exploration Ground Systems," Wednesday, September 18, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Acting NASA Associate Administrator for Human Exploration and Operations, Ken Bowersox, testifies during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “Developing Core Capabilities for Deep Space Exploration: An Update on NASA's SLS, Orion, and Exploration Ground Systems," Wednesday, September 18, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Acting NASA Associate Administrator for Human Exploration and Operations, Ken Bowersox, testifies during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “Developing Core Capabilities for Deep Space Exploration: An Update on NASA's SLS, Orion, and Exploration Ground Systems," Wednesday, September 18, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Acting NASA Associate Administrator for Human Exploration and Operations, Ken Bowersox, testifies during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “Developing Core Capabilities for Deep Space Exploration: An Update on NASA's SLS, Orion, and Exploration Ground Systems," Wednesday, September 18, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Acting NASA Associate Administrator for Human Exploration and Operations, Ken Bowersox, reacts during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “Developing Core Capabilities for Deep Space Exploration: An Update on NASA's SLS, Orion, and Exploration Ground Systems," Wednesday, September 18, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Acting NASA Associate Administrator for Human Exploration and Operations, Ken Bowersox, testifies during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “Developing Core Capabilities for Deep Space Exploration: An Update on NASA's SLS, Orion, and Exploration Ground Systems," Wednesday, September 18, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Acting NASA Associate Administrator for Human Exploration and Operations, Ken Bowersox, testifies during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “Developing Core Capabilities for Deep Space Exploration: An Update on NASA's SLS, Orion, and Exploration Ground Systems," Wednesday, September 18, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Acting NASA Associate Administrator for Human Exploration and Operations, Ken Bowersox, shoes are seen during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “Developing Core Capabilities for Deep Space Exploration: An Update on NASA's SLS, Orion, and Exploration Ground Systems," Wednesday, September 18, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Portraits of past House Science and Technology Committee Chairmen, Sherwood Boehlert, left, and Ralph Hall are seen as NASA Associate Administrator, Human Exploration and Operations William Gerstenmaier testifies during a House Subcommittee on Space and Aeronautics hearing titled "Keeping our sights on Mars: A Review of NASA's Deep Space Exploration Programs and Lunar Proposal", Wednesday, May 8, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Congressman Brian Babin, R-Texas, asks NASA Associate Administrator, Human Exploration and Operations, Bill Gerstenmaier, a question during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “A Review of NASA’s Plans for the International Space Station and Future Activities in Low Earth Orbit," Wednesday, July 10, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Associate Administrator, Human Exploration and Operations, Bill Gerstenmaier, testifies during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “A Review of NASA’s Plans for the International Space Station and Future Activities in Low Earth Orbit," Wednesday, July 10, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Associate Administrator, Human Exploration and Operations, Bill Gerstenmaier, testifies during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “A Review of NASA’s Plans for the International Space Station and Future Activities in Low Earth Orbit," Wednesday, July 10, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Chair of the Space and Aeronautics Subcommittee, Kendra Horn, D-Okla., speaks during a House Science, Space, and Technology Committee hearing titled, “A Review of NASA’s Plans for the International Space Station and Future Activities in Low Earth Orbit," where NASA Associate Administrator, Human Exploration and Operations, Bill Gerstenmaier, and NASA Inspector General, Paul Martin testified, Wednesday, July 10, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Associate Administrator, Human Exploration and Operations, Bill Gerstenmaier, right, speaks with Chair of the Space and Aeronautics Subcommittee, Congresswoman Kendra Horn, D-Okla., second from left, after he testified during a House Science, Space, and Technology Committee hearing titled, “A Review of NASA’s Plans for the International Space Station and Future Activities in Low Earth Orbit," Wednesday, July 10, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Congressman Pete Olson, R-Texas, asks NASA Associate Administrator, Human Exploration and Operations, Bill Gerstenmaier, a question during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “A Review of NASA’s Plans for the International Space Station and Future Activities in Low Earth Orbit," Wednesday, July 10, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

The Honorable Paul Martin, inspector general, NASA, speaks to Bill Gerstenmaier, associate administrator, Human Exploration and Operations, NASA, before they testify during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “A Review of NASA’s Plans for the International Space Station and Future Activities in Low Earth Orbit," Wednesday, July 10, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Associate Administrator, Human Exploration and Operations, Bill Gerstenmaier, testifies during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “A Review of NASA’s Plans for the International Space Station and Future Activities in Low Earth Orbit," Wednesday, July 10, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Associate Administrator, Human Exploration and Operations, Bill Gerstenmaier, left, shakes hands with Congressman Michael Waltz, R-Fla., before testifying during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “A Review of NASA’s Plans for the International Space Station and Future Activities in Low Earth Orbit," Wednesday, July 10, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Acting NASA Associate Administrator for Human Exploration and Operations, Ken Bowersox, left, Cristina Chaplain, director, Contracting and National Security Acquisitions, U.S. Government Accountability Office (GAO), center, and Doug Cooke, owner, Cooke Concepts and Solutions, right, testify during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “Developing Core Capabilities for Deep Space Exploration: An Update on NASA's SLS, Orion, and Exploration Ground Systems," Wednesday, September 18, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Associate Administrator for the Human Exploration and Operations Mission Directorate William Gerstenmaier, left, Dr. Bhavya Lal, a researcher at the Institute for Defense Analysis's Science and Technology Policy Institute, center, and Dr. Elizabeth Cantwell, chief executive officer at the Arizona State University Research Enterprise, right, listen as Rep. Brian Babin, R-Texas, is seen on screen as he delivers an opening statement during a House Committee on Science, Space, and Technology hearing titled "America's Human Presence in Low-Earth Orbit" on Thursday, May 17, 2018 in the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

NASA Associate Administrator for the Human Exploration and Operations Mission Directorate William Gerstenmaier, left, Dr. Bhavya Lal, a researcher at the Institute for Defense Analysis's Science and Technology Policy Institute, center, and Dr. Elizabeth Cantwell, chief executive officer at the Arizona State University Research Enterprise, right, listen as Rep. Brian Babin, R-Texas, is seen on screen as he delivers an opening statement during a House Committee on Science, Space, and Technology hearing titled "America's Human Presence in Low-Earth Orbit" on Thursday, May 17, 2018 in the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

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. Walt Faulconer, right, are seen during a House Subcommittee on Space and Aeronautics hearing titled "Keeping our sights on Mars: A Review of NASA's Deep Space Exploration Programs and Lunar Proposal", Wednesday, May 8, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

From left to right, NASA Associate Administrator, Human Exploration and Operations, Bill Gerstenmaier; NASA Inspector General, Paul Martin; Commercial Spaceflight Federation President, Eric Stallmer; and University of Mississippi Professor Emerita and Editor in Chief of the Journal of Space Law, Joanne Gabrynowicz testify during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “A Review of NASA’s Plans for the International Space Station and Future Activities in Low Earth Orbit," Wednesday, July 10, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

From left to right, NASA Associate Administrator, Human Exploration and Operations, Bill Gerstenmaier; NASA Inspector General, Paul Martin; Commercial Spaceflight Federation President, Eric Stallmer; and University of Mississippi Professor Emerita and Editor in Chief of the Journal of Space Law, Joanne Gabrynowicz testify during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “A Review of NASA’s Plans for the International Space Station and Future Activities in Low Earth Orbit," Wednesday, July 10, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

From left to right, NASA Associate Administrator, Human Exploration and Operations, Bill Gerstenmaier; NASA Inspector General, Paul Martin; Commercial Spaceflight Federation President, Eric Stallmer; and University of Mississippi Professor Emerita and Editor in Chief of the Journal of Space Law, Joanne Gabrynowicz testify during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “A Review of NASA’s Plans for the International Space Station and Future Activities in Low Earth Orbit," Wednesday, July 10, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

From left to right, NASA Associate Administrator, Human Exploration and Operations, Bill Gerstenmaier; NASA Inspector General, Paul Martin; Commercial Spaceflight Federation President, Eric Stallmer; and University of Mississippi Professor Emerita and Editor in Chief of the Journal of Space Law, Joanne Gabrynowicz react to a comment by Congressman Pete Olson (R-TX) during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “A Review of NASA’s Plans for the International Space Station and Future Activities in Low Earth Orbit," Wednesday, July 10, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)