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)

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)

Rep. Ami Bera, D-Calif., is seen on a monitor behind acting NASA Administrator Robert Lightfoot 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)