Elizabeth Cantwell, chief executive officer at the Arizona State University Research Enterprise, 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, 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)

U.S. Sen. Maria Cantwell, D-Wash., left, talks about Dr. Elizabeth M. Robinson, nominee for Chief Financial Officer for NASA, right, prior to her confirmation hearing in front of the Senate Committee on Commerce, Science and Transportation, Thursday, Oct. 15, 2009, on Capitol Hill in Washington. Photo Credit: (NASA/Paul E. Alers)