
Mark Geyer, Director of NASA's Johnson Space Center, testifies during a House Subcommittee on Space hearing titled "60 Years of NASA Leadership in Human Space Exploration: Past, Present, and Future," Wednesday, Sept. 26, 2018 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Mark Geyer, Director of NASA's Johnson Space Center, testifies during a House Subcommittee on Space hearing titled "60 Years of NASA Leadership in Human Space Exploration: Past, Present, and Future," Wednesday, Sept. 26, 2018 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Robert Cabana, Director of NASA's Kennedy Space Center, testifies during a House Subcommittee on Space hearing titled "60 Years of NASA Leadership in Human Space Exploration: Past, Present, and Future," Wednesday, Sept. 26, 2018 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Jody Singer, Director of NASA's Marshall Space Flight Center, testifies during a House Subcommittee on Space hearing titled "60 Years of NASA Leadership in Human Space Exploration: Past, Present, and Future," Wednesday, Sept. 26, 2018 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Robert Cabana, Director of NASA's Kennedy Space Center, testifies during a House Subcommittee on Space hearing titled "60 Years of NASA Leadership in Human Space Exploration: Past, Present, and Future," Wednesday, Sept. 26, 2018 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Mark Geyer, Director of NASA's Johnson Space Center, testifies during a House Subcommittee on Space hearing titled "60 Years of NASA Leadership in Human Space Exploration: Past, Present, and Future," Wednesday, Sept. 26, 2018 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Robert Cabana, Director of NASA's Kennedy Space Center, testifies during a House Subcommittee on Space hearing titled "60 Years of NASA Leadership in Human Space Exploration: Past, Present, and Future," Wednesday, Sept. 26, 2018 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Jody Singer, Director of NASA's Marshall Space Flight Center, testifies during a House Subcommittee on Space hearing titled "60 Years of NASA Leadership in Human Space Exploration: Past, Present, and Future," Wednesday, Sept. 26, 2018 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Robert Cabana, Director of NASA's Kennedy Space Center, testifies during a House Subcommittee on Space hearing titled "60 Years of NASA Leadership in Human Space Exploration: Past, Present, and Future," Wednesday, Sept. 26, 2018 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Jody Singer, Director of NASA's Marshall Space Flight Center, testifies during a House Subcommittee on Space hearing titled "60 Years of NASA Leadership in Human Space Exploration: Past, Present, and Future," Wednesday, Sept. 26, 2018 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Chairman Brian Babin, R-Texas, speaks during a House Subcommittee on Space hearing titled "60 Years of NASA Leadership in Human Space Exploration: Past, Present, and Future," Wednesday, Sept. 26, 2018 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Rep. Ami Bera, D-Cali., speaks during a House Subcommittee on Space hearing titled "60 Years of NASA Leadership in Human Space Exploration: Past, Present, and Future," Wednesday, Sept. 26, 2018 at 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 Subcommittee on Space hearing titled "60 Years of NASA Leadership in Human Space Exploration: Past, Present, and Future," Wednesday, Sept. 26, 2018 at 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 Subcommittee on Space hearing titled "60 Years of NASA Leadership in Human Space Exploration: Past, Present, and Future," Wednesday, Sept. 26, 2018 at 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 during a House Subcommittee on Space hearing titled "60 Years of NASA Leadership in Human Space Exploration: Past, Present, and Future," Wednesday, Sept. 26, 2018 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

NASA Inspector General Paul Martin is seen during a Senate Subcommittee on Space, Science, and Competitiveness hearing titled "Examining the Future of the International Space Station: Administration Perspectives" Wednesday, May 16, 2018 in the Russell Senate Office Building on Capitol Hill in Washington. Photo Credit: (NASA/Joel Kowsky)

NASA Inspector General Paul Martin testifies during a Senate Subcommittee on Space, Science, and Competitiveness hearing titled "Examining the Future of the International Space Station: Administration Perspectives" held on Wednesday, May 16, 2018 in the Russell Senate Office Building on Capitol Hill in Washington. Photo Credit: (NASA/Joel Kowsky)

Chairman Brian Babin, R-Texas, asks a question of NASA's Associate Administrator for the Human Exploration and Operations Mission Directorate William Gerstenmaier, left, Mark Geyer, Director of NASA's Johnson Space Center, second from left, Jody Singer, Director of NASA's Marshall Space Flight Center, second from right, and Robert Cabana, Director of NASA's Kennedy Space Center, right, during a House Subcommittee on Space hearing titled "60 Years of NASA Leadership in Human Space Exploration: Past, Present, and Future," Wednesday, Sept. 26, 2018 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Mark Geyer, Director of NASA's Johnson Space Center, left, Jody Singer, Director of NASA's Marshall Space Flight Center, center, and Robert Cabana, Director of NASA's Kennedy Space Center, right, listen to Rep. Eddie Berniece Johnson, D-Texas, during a House Subcommittee on Space hearing titled "60 Years of NASA Leadership in Human Space Exploration: Past, Present, and Future," Wednesday, Sept. 26, 2018 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

NASA Administrator Jim Bridenstine testifies before the Aviation and Space Subcommittee of the Senate Commerce, Science, and Transportation Committee during a hearing titled “The Emerging Space Environment: Operational, Technical, and Policy Challenges.”, Tuesday, May 14, 2019, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Jim Bridenstine testifies before the Aviation and Space Subcommittee of the Senate Commerce, Science, and Transportation Committee during a hearing titled “The Emerging Space Environment: Operational, Technical, and Policy Challenges.”, Tuesday, May 14, 2019, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Jim Bridenstine testifies before the Aviation and Space Subcommittee of the Senate Commerce, Science, and Transportation Committee during a hearing titled “The Emerging Space Environment: Operational, Technical, and Policy Challenges.”, Tuesday, May 14, 2019, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Jim Bridenstine testifies before the Aviation and Space Subcommittee of the Senate Commerce, Science, and Transportation Committee during a hearing titled “The Emerging Space Environment: Operational, Technical, and Policy Challenges.”, Tuesday, May 14, 2019, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Jim Bridenstine testifies before the Aviation and Space Subcommittee of the Senate Commerce, Science, and Transportation Committee during a hearing titled “The Emerging Space Environment: Operational, Technical, and Policy Challenges.”, Tuesday, May 14, 2019, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Jim Bridenstine testifies before the Aviation and Space Subcommittee of the Senate Commerce, Science, and Transportation Committee during a hearing titled “The Emerging Space Environment: Operational, Technical, and Policy Challenges.”, Tuesday, May 14, 2019, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Sen. Ted Cruz, R-Texas, chairman of the Subcommittee on Aviation and Space, holds a hearing titled “The Emerging Space Environment: Operational, Technical, and Policy Challenges.”, Tuesday, May 14, 2019, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Associate Administrator for the Human Exploration and Operations Mission Directorate William Gerstenmaier testifies during a Senate Subcommittee on Space, Science, and Competitiveness hearing titled "Examining the Future of the International Space Station: Administration Perspectives" held on Wednesday, May 16, 2018 in the Russell Senate Office Building on Capitol Hill in Washington. Photo Credit: (NASA/Joel Kowsky)

NASA Associate Administrator for the Human Exploration and Operations Mission Directorate William Gerstenmaier testifies during a Senate Subcommittee on Space, Science, and Competitiveness hearing titled "Examining the Future of the International Space Station: Administration Perspectives" held on Wednesday, May 16, 2018 in the Russell Senate Office Building on Capitol Hill in Washington. Photo Credit: (NASA/Joel Kowsky)

NASA Associate Administrator for the Human Exploration and Operations Mission Directorate William Gerstenmaier testifies during a Senate Subcommittee on Space, Science, and Competitiveness hearing titled "Examining the Future of the International Space Station: Administration Perspectives" held on Wednesday, May 16, 2018 in the Russell Senate Office Building on Capitol Hill in Washington. Photo Credit: (NASA/Joel Kowsky)

NASA Administrator Jim Bridenstine testifies during a Subcommittee on Space, Science, and Competitiveness hearing titled, "Global Space Race: Ensuring the United States Remains the Leader in Space," Wednesday, September 26, 2018 at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Jim Bridenstine testifies during a Subcommittee on Space, Science, and Competitiveness hearing titled, "Global Space Race: Ensuring the United States Remains the Leader in Space," Wednesday, September 26, 2018 at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Jim Bridenstine testifies during a Subcommittee on Space, Science, and Competitiveness hearing titled, "Global Space Race: Ensuring the United States Remains the Leader in Space," Wednesday, September 26, 2018 at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Jim Bridenstine's shoes are seen while testifying during a Subcommittee on Space, Science, and Competitiveness hearing titled, "Global Space Race: Ensuring the United States Remains the Leader in Space," Wednesday, September 26, 2018 at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Jim Bridenstine testifies during a Subcommittee on Space, Science, and Competitiveness hearing titled, "Global Space Race: Ensuring the United States Remains the Leader in Space," Wednesday, September 26, 2018 at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Jim Bridenstine gestures with a bottle of water while testifying during a Subcommittee on Space, Science, and Competitiveness hearing titled, "Global Space Race: Ensuring the United States Remains the Leader in Space," Wednesday, September 26, 2018 at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Sen. Ted Cruz, R-Texas, chairman of the Senate Subcommittee on Space, Science, and Competitiveness speaks during a hearing titled "Examining the Future of the International Space Station: Administration Perspectives," Wednesday, May 16, 2018 in the Russell Senate Office Building on Capitol Hill in Washington. Photo Credit: (NASA/Joel Kowsky)

Sen. Bill Nelson, D-Fla., ranking member of the Senate Subcommittee on Space, Science, and Competitiveness speaks during a hearing titled "Examining the Future of the International Space Station: Administration Perspectives" held on Wednesday, May 16, 2018 in the Russell Senate Office Building on Capitol Hill in Washington. Photo Credit: (NASA/Joel Kowsky)

Sen. Kyrsten Sinema, D-AZ, ask a question during the Aviation and Space Subcommittee of the Senate Commerce, Science, and Transportation Committee hearing titled “The Emerging Space Environment: Operational, Technical, and Policy Challenges.”, Tuesday, May 14, 2019, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Sen. Ted Cruz, R-Texas, chairman of the Subcommittee on Aviation and Space, left, and NASA Administrator Jim Bridenstine talk after a hearing titled “The Emerging Space Environment: Operational, Technical, and Policy Challenges.”, Tuesday, May 14, 2019, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Jody Singer, Director of NASA's Marshall Space Flight Center, second from right, testifies during a House Subcommittee on Space hearing titled "60 Years of NASA Leadership in Human Space Exploration: Past, Present, and Future," Wednesday, Sept. 26, 2018 at the Rayburn House Office Building in Washington. NASA's Associate Administrator for the Human Exploration and Operations Mission Directorate William Gerstenmaier, left, Mark Geyer, Director of NASA's Johnson Space Center, second from left, and Robert Cabana, Director of NASA's Kennedy Space Center, right, also testified during the hearing. Photo Credit: (NASA/Joel Kowsky)

Lt. Gen. David D. Thompson, Vice Commander, Space Command, United States Air Force testifies before the Aviation and Space Subcommittee of the Senate Commerce, Science, and Transportation Committee during a hearing titled “The Emerging Space Environment: Operational, Technical, and Policy Challenges.”, Tuesday, May 14, 2019, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Kevin O’Connell, Director, Office of Space Commerce, Department of Commerce testifies before the Aviation and Space Subcommittee of the Senate Commerce, Science, and Transportation Committee during a hearing titled “The Emerging Space Environment: Operational, Technical, and Policy Challenges.”, Tuesday, May 14, 2019, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Robert Cardillo, Former Director, National Geospatial-Intelligence Agency testifies before the Aviation and Space Subcommittee of the Senate Commerce, Science, and Transportation Committee during a hearing titled “The Emerging Space Environment: Operational, Technical, and Policy Challenges.”, Tuesday, May 14, 2019, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Col. Pamela A. Melroy, United States Air Force (ret.) (former astronaut) testifies before the Aviation and Space Subcommittee of the Senate Commerce, Science, and Transportation Committee during a hearing titled “The Emerging Space Environment: Operational, Technical, and Policy Challenges.”, Tuesday, May 14, 2019, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Jim Bridenstine testifies during a Subcommittee on Space, Science, and Competitiveness hearing titled, "Global Space Race: Ensuring the United States Remains the Leader in Space," Wednesday, September 26, 2018 at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Jim Bridenstine testifies during a Subcommittee on Space, Science, and Competitiveness hearing titled, "Global Space Race: Ensuring the United States Remains the Leader in Space," Wednesday, September 26, 2018 at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Jim Bridenstine testifies during a Subcommittee on Space, Science, and Competitiveness hearing titled, "Global Space Race: Ensuring the United States Remains the Leader in Space," Wednesday, September 26, 2018 at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Jim Bridenstine, left, and Kevin O’Connell, Director, Office of Space Commerce, Department of Commerce testify before the Aviation and Space Subcommittee of the Senate Commerce, Science, and Transportation Committee during a hearing titled “The Emerging Space Environment: Operational, Technical, and Policy Challenges.”, Tuesday, May 14, 2019, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Jim Bridenstine, right, speaks with Chairman Ted Cruz, R-Texas after testifying at a Subcommittee on Space, Science, and Competitiveness hearing titled, "Global Space Race: Ensuring the United States Remains the Leader in Space," Wednesday, September 26, 2018 at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Senator Ed Markey, D-Mass, asks NASA Administrator Jim Bridenstine a question during a Subcommittee on Space, Science, and Competitiveness hearing titled, "Global Space Race: Ensuring the United States Remains the Leader in Space," Wednesday, September 26, 2018 at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Jim Bridenstine, left, speaks with Senator Ed Markey, D-Mass, before testifying at a Subcommittee on Space, Science, and Competitiveness hearing titled, "Global Space Race: Ensuring the United States Remains the Leader in Space," Wednesday, September 26, 2018 at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Senator Bill Nelson, D-Fla, asks NASA Administrator Jim Bridenstine a question during a Subcommittee on Space, Science, and Competitiveness hearing titled, "Global Space Race: Ensuring the United States Remains the Leader in Space," Wednesday, September 26, 2018 at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Chairman Ted Cruz, R-Texas, asks NASA Administrator Jim Bridenstine a question during a Subcommittee on Space, Science, and Competitiveness hearing titled, "Global Space Race: Ensuring the United States Remains the Leader in Space," Wednesday, September 26, 2018 at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Jim Bridenstine, left, Kevin O’Connell, Director, Office of Space Commerce, Department of Commerce, Robert Cardillo, Former Director, National Geospatial-Intelligence Agency, Lt. Gen. David D. Thompson, Vice Commander, Space Command, United States Air Force, and Col. Pamela A. Melroy, United States Air Force (ret.) (former astronaut), right, testify before the Senate Aviation and Space Subcommittee during a hearing titled “The Emerging Space Environment: Operational, Technical, and Policy Challenges.”, Tuesday, May 14, 2019, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Kevin O’Connell, Director, Office of Space Commerce, Department of Commerce, left, Robert Cardillo, Former Director, National Geospatial-Intelligence Agency, NASA Administrator Jim Bridenstine, and Lt. Gen. David D. Thompson, Vice Commander, Space Command, United States Air Force, right, gather ahead of testifying along with Col. Pamela A. Melroy, United States Air Force (ret.) (former astronaut), before the Aviation and Space Subcommittee of the Senate Commerce, Science, and Transportation Committee, Tuesday, May 14, 2019, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

The members of the House Committee on Science and Astronautics visited the Marshall Space Flight Center (MSFC) on March 9, 1962 to gather firsthand information of the nation’s space exploration program. The congressional group was composed of members of the Subcommittee on Manned Space Flight. Standing at the Apollo Applications Program Cluster Model in building 4745 are (left-to-right): Dr. Wernher von Braun, MSFC; Congressman Joe D. Waggoner, Democratic representative of Louisiana; Congressman Earle Cabell, Democratic representative of Texas; Subcommittee Chairman Olin E. Teague, Democratic representative of Texas; Congressman James G. Fulton, Republican representative of Pennsylvania; and Dr. Ernst Stuhlinger, associate MSFC director for science. The subcommittee was briefed on MSFC’s manned space efforts earlier in the day and then inspected mockups of the Saturn I Workshop and the Apollo Telescope Mount, two projects developed by MSFC for the post-Apollo program.

Rep. Ken Calvert, (R-Calif.), chairman of the House Subcommittee on Space and Aeronautics, received an update on the mission of NASA's Dryden Flight Research Center during a visit on June 2, 2005. Rep. Calvert, accompanied by several staff members, was briefed by center management on the Dryden's role as a flight research institution, and then reviewed some of the center's recent, current and upcoming flight research projects during a tour of the facility. During the afternoon, Rep. Calvert received similar briefings on a variety of projects at several aerospace development firms at the Civilian Flight Test Center in Mojave. Rep. Calvert's tour of NASA Dryden was the second in a series of visits to all 10 NASA field centers to better acquaint him with the roles and responsibilities of each center.

JSC2005-E-22364 (14 June 2005) --- Astronaut John L. Phillips, Expedition 11 NASA ISS science officer and flight engineer, testifies via video screen before the House Subcommittee on Space and Aeronautics chaired by Rep. Ken Calvert (R-Calif.), as he orbited Earth onboard the International Space Station (ISS) at a speed of five miles a second. Phillips was approximately 220 statute miles above Earth, but his radio transmissions were routed to a Tracking and Data Relay Satellite (TDRS) in geostationary orbit at an altitude of about 22,300 miles. Photo credit: NASA/Bill Ingalls.

The members of the House Committee on Science and Astronautics visited the Marshall Space Flight Center (MSFC) on March 9, 1962 to gather first-hand information of the nation's space exploration program. The congressional group was composed of members of the Subcommittee on Marned Space Flight. Headed by Representative Olin E. Teague of Texas, other members were James G. Fulton, Pennsylvania; Ken Heckler, West Virginia; R. Walter Riehlman, New York; Richard L. Roudebush,, Indiana; John W. Davis, Georgia; James C. Corman, California; Joseph Waggoner, Louisiana; J. Edgar Chenoweth, Colorado; and William G. Bray, Indiana.

The members of the House Committee on Science and Astronautics visited the Marshall Space Flight Center (MSFC) on March 9, 1962 to gather first-hand information of the nation's space exploration program. The congressional group was composed of members of the Subcommittee on Marned Space Flight. Headed by Representative Olin E. Teague of Texas, other members were James G. Fulton, Pennsylvania; Ken Heckler, West Virginia; R. Walter Riehlman, New York; Richard L. Roudebush, Indiana; John W. Davis, Georgia; James C. Corman, California; Joseph Waggoner, Louisiana; J. Edgar Chenoweth, Colorado; and William G. Bray, Indiana.

JSC2005-E-22363 (14 June 2005) --- Astronauts Peggy A. Whitson (left) and Edward M. (Mike) Fincke, former Station residents, share a laugh during the House Subcommittee on Space and Aeronautics hearing chaired by Rep. Ken Calvert (R-Calif.), as current Station astronaut John L. Phillips, Expedition 11 NASA ISS science officer and flight engineer, testifies via video screen in the background. Phillips was approximately 220 statute miles above Earth, but his radio transmissions were routed to a Tracking and Data Relay Satellite (TDRS) in geostationary orbit at an altitude of about 22,300 miles. Photo credit: NASA/Bill Ingalls.

Acting NASA Administrator Robert Lightfoot testifies during a House Committee on Science, Space, and Technology, Subcommittee on Space, hearing overview of the NASA Budget for Fiscal Year 2019, Wednesday, March 7, 2018, at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Acting NASA Administrator Robert Lightfoot testifies during a House Committee on Science, Space, and Technology, Subcommittee on Space, hearing overview of the NASA Budget for Fiscal Year 2019, Wednesday, March 7, 2018, at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Rep. Dana Rohrabacher, R-Calif., is seen on a monitor during a House Committee on Science, Space, and Technology, Subcommittee on Space, hearing overview of the NASA Budget for Fiscal Year 2019, Wednesday, March 7, 2018, at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Rep. Ami Bera, D-Calif., delivers opening statements during a House Committee on Science, Space, and Technology, Subcommittee on Space, hearing overview of the NASA Budget for Fiscal Year 2019, Wednesday, March 7, 2018, at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Acting NASA Administrator Robert Lightfoot testifies during a House Committee on Science, Space, and Technology, Subcommittee on Space, hearing overview of the NASA Budget for Fiscal Year 2019, Wednesday, March 7, 2018, at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Special Assistant to the Administrator Mark Sirangelo testifies during the 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)

Chair Kendra Horn, D-OK., opens the 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)

NASA Special Assistant to the Administrator Mark Sirangelo testifies during the 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)

Acting NASA Administrator Robert Lightfoot testifies during a House Committee on Science, Space, and Technology, Subcommittee on Space, hearing overview of the NASA Budget for Fiscal Year 2019, Wednesday, March 7, 2018, at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Acting NASA Administrator Robert Lightfoot testifies during a House Committee on Science, Space, and Technology, Subcommittee on Space, hearing overview of the NASA Budget for Fiscal Year 2019, Wednesday, March 7, 2018, at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Acting NASA Administrator Robert Lightfoot testifies during a House Committee on Science, Space, and Technology, Subcommittee on Space, hearing overview of the NASA Budget for Fiscal Year 2019, Wednesday, March 7, 2018, at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Acting NASA Administrator Robert Lightfoot testifies during a House Committee on Science, Space, and Technology, Subcommittee on Space, hearing overview of the NASA Budget for Fiscal Year 2019, Wednesday, March 7, 2018, at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Acting NASA Administrator Robert Lightfoot testifies during a House Committee on Science, Space, and Technology, Subcommittee on Space, hearing overview of the NASA Budget for Fiscal Year 2019, Wednesday, March 7, 2018, at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Special Assistant to the Administrator Mark Sirangelo testifies during the 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)

Acting NASA Administrator Robert Lightfoot testifies during a House Committee on Science, Space, and Technology, Subcommittee on Space, hearing overview of the NASA Budget for Fiscal Year 2019, Wednesday, March 7, 2018, at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

House Subcommittee on Space Chairman Rep. Brian Babin, R-Texas, is seen during a hearing overview of the NASA Budget for Fiscal Year 2019, Wednesday, March 7, 2018, at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

JSC2005-E-22365 (14 June 2005) --- Astronaut John L. Phillips, Expedition 11 NASA space station science officer and flight engineer, testifies via video screen before the House Subcommittee on Space and Aeronautics chaired by Rep. Ken Calvert (R-Calif.), as he orbited Earth onboard the international space station at a speed of five miles a second. Phillips was approximately 220 statute miles above Earth, but his radio transmissions were routed to a Tracking and Data Relay Satellite (TDRS) in geostationary orbit at an altitude of about 22,300 miles. Astronauts Peggy A. Whitson and Edward M. (Mike) Fincke, former station residents, are visible at left. Photo credit: NASA/Bill Ingalls.

Audience members listen as University of Mississippi Professor Emerita and Editor in Chief of the Journal of Space Law, Joanne Gabrynowicz, 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)

University of Mississippi Professor Emerita and Editor in Chief of the Journal of Space Law, Joanne Gabrynowicz, 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)

The Honorable Paul Martin, inspector general, NASA, 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)

The Honorable Paul Martin, inspector general, NASA, 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)

Congressman Brian Babin, R-Texas, reacts 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)

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)

Commercial Spaceflight Federation President, Eric Stallmer, 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)

Commercial Spaceflight Federation President, Eric Stallmer, 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)

U.S. Representative Eddie Johnson, D-Texas, asks 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 Special Assistant to the Administrator Mark Sirangelo listens as NASA Associate Administrator, Human Exploration and Operations William Gerstenmaier testifies during the 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)

Dr. Patricia Sanders, Chair, Aerospace Safety Advisory Panel testifies during the 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)

Rep. Brian Babin, R - Texas, gives opening remarks during the 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)

NASA Associate Administrator, Human Exploration and Operations William Gerstenmaier, left, and NASA Special Assistant to the Administrator Mark Sirangelo, watch as a video is played during the 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)

Mr. Walt Faulconer, President, Faulconer Consulting Group, LLC testifies during the 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)

Dr. Jonathan Lunine, Director, Cornell Center for Astrophysics and Planetary Science, Co-Chair of the Former Committee on Human Spaceflight, National Academies of Sciences, Engineering, and Medicine testifies during the 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)

NASA Associate Administrator, Human Exploration and Operations William Gerstenmaier testifies during the 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)

Dr. Jonathan Lunine, Director, Cornell Center for Astrophysics and Planetary Science, Co-Chair of the Former Committee on Human Spaceflight, National Academies of Sciences, Engineering, and Medicine testifies during the 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)