Senate Subcommittee on Space, Science, and Competitiveness Heari

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. 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)