
Former U.S. Senator Kay Bailey Hutchison testifies on behalf of former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

U.S. Senator Tom Udall, D-N.M., questions NASA Administrator Charles Bolden during a U.S. Senate Committee on Commerce, Science, and Transportation hearing on Wednesday, March 7, 2012 in Washington. Photo Credit: (NASA/Bill Ingalls)

U.S. Senator Bill Nelson, D-Fla., questions NASA Administrator Charles Bolden during a U.S. Senate Committee on Commerce, Science, and Transportation hearing on Wednesday, March 7, 2012 in Washington. Photo Credit: (NASA/Bill Ingalls)

View from the witness table in the Russell Senate Office Building prior to the start of a U.S. Senate Committee on Commerce, Science, and Transportation hearing with NASA Administrator Charles Bolden as the first witness on Wednesday, March 7, 2012 in Washington. Photo Credit: (NASA/Bill Ingalls)

U.S. Senator Bill Nelson, D-Fla., and U.S. Senator Kay Bailey Hutchinson, R-Texas, confer during a U.S. Senate Committee on Commerce, Science, and Transportation hearing on Wednesday, March 7, 2012 in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Charles Bolden testifies in front of the Senate Appropriations Committee, Monday, April 11, 2011, at the Dirksen Senate Office Building on Capitol Hill in Washington. Photo Credit: (NASA/Paul E. Alers)

NASA Administrator Charles Bolden testifies in front of the Senate Appropriations Committee, Monday, April 11, 2011, at the Dirksen Senate Office Building on Capitol Hill in Washington. Photo Credit: (NASA/Paul E. Alers)

NASA Administrator Charles Bolden is seen during testimony in front of the Senate Appropriations Committee, Monday, April 11, 2011, at the Dirksen Senate Office Building on Capitol Hill in Washington. Photo Credit: (NASA/Paul E. Alers)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Sen. Marco Rubio, R-Fla. testifies on behalf of former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, right, talks with Sen. Marco Rubio, R-Fla., as Nelson appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Senator Jeanne Shaheen, D-N.H., Chair Senate Appropriations’ Commerce, Justice, Science, and Related Agencies subcommittee questions NASA Administrator Bill Nelson during a hearing on NASA’s budget, Tuesday, May 3, 2022, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Senator Jerry Moran, D-Kan., questions NASA Administrator Bill Nelson during a Senate Appropriations’ Commerce, Justice, Science, and Related Agencies subcommittee hearing on NASA’s budget, Tuesday, May 3, 2022, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Senator Jeanne Shaheen, D-N.H., Chair Senate Appropriations’ Commerce, Justice, Science, and Related Agencies subcommittee questions NASA Administrator Bill Nelson during a hearing on NASA’s budget, Tuesday, May 3, 2022, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Committee Chair Sen. Maria Cantwell, D-Wash., listens to former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, as he appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Sen. Maria Cantwell, D-Wash., the Chair of the Senate Committee on Commerce, Science, and Transportation, listens as Pam Melroy, President Biden’s nominee to be the next deputy administrator of NASA, testifies before the Senate Committee on Commerce, Science, and Transportation, Thursday, May 20, 2021, at the Hart Senate Office Building in Washington. Melroy is a former NASA astronaut. Photo Credit: (NASA/Bill Ingalls)

U.S. Senator Kay Bailey Hutchinson, R-Texas, questions NASA Administrator Charles Bolden during a U.S. Senate Committee on Commerce, Science, and Transportation hearing on Wednesday, March 7, 2012 in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Charles Bolden testifies during a U.S. Senate Committee on Commerce, Science, and Transportation hearing on Wednesday, March 7, 2012 in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Charles Bolden testifies during a U.S. Senate Committee on Commerce, Science, and Transportation hearing on Wednesday, March 7, 2012 in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Charles Bolden testifies during a U.S. Senate Committee on Commerce, Science, and Transportation hearing on Wednesday, March 7, 2012 in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Charles Bolden testifies during a U.S. Senate Committee on Commerce, Science, and Transportation hearing on Wednesday, March 7, 2012 in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Charles Bolden testifies during a U.S. Senate Committee on Commerce, Science, and Transportation hearing on Wednesday, March 7, 2012 in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Charles Bolden testifies during a U.S. Senate Committee on Commerce, Science, and Transportation hearing on Wednesday, March 7, 2012 in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Charles Bolden's cowboy boots are seen as he testifies during a U.S. Senate Committee on Commerce, Science, and Transportation hearing on Wednesday, March 7, 2012 in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Charles Bolden testifies during a U.S. Senate Committee on Commerce, Science, and Transportation hearing on Wednesday, March 7, 2012 in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Sen. Ted Cruz, R-Texas, Chairman of the Senate Committee on Commerce, Science, and Transportation, questions Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, right, during a hearing, Wednesday, April 9, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Sen. Maria Cantwell, D-WA, Ranking Member of the Senate Committee on Commerce, Science, and Transportation, questions Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, during a hearing, Wednesday, April 9, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Pam Melroy, President Biden’s nominee to be the next deputy administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Thursday, May 20, 2021, at the Hart Senate Office Building in Washington. Melroy is a former NASA astronaut. Photo Credit: (NASA/Bill Ingalls)

Sen. Ted Cruz, R-Texas, Chairman of the Senate Committee on Commerce, Science, and Transportation, questions Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, during a hearing, Wednesday, April 9, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Sen. Tim Sheehy, R-Mont., introduces Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, before the Senate Committee on Commerce, Science, and Transportation, Wednesday, Dec. 3, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Senator Jeanne Shaheen, D-N.H., Chair Senate Appropriations’ Commerce, Justice, Science, and Related Agencies subcommittee talks with National Science Foundation Director Sethuraman Panchanathan, left, and NASA Administrator Bill Nelson prior to a hearing, Tuesday, May 3, 2022, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Sen. Kyrsten Sinema, I-Ariz., questions NASA Administrator Bill Nelson as he testifies before the Senate Committee on Commerce, Science, and Transportation during a hearing titled “Examining NASA’s Budget and Priorities,” Tuesday, May 16, 2023, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 9, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Pam Melroy, President Biden’s nominee to be the next deputy administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Thursday, May 20, 2021, at the Hart Senate Office Building in Washington. Melroy is a former NASA astronaut. Photo Credit: (NASA/Bill Ingalls)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 9, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Pam Melroy, President Biden’s nominee to be the next deputy administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Thursday, May 20, 2021, at the Hart Senate Office Building in Washington. Melroy is a former NASA astronaut. Photo Credit: (NASA/Bill Ingalls)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 9, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Pam Melroy, President Biden’s nominee to be the next deputy administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Thursday, May 20, 2021, at the Hart Senate Office Building in Washington. Melroy is a former NASA astronaut. Photo Credit: (NASA/Bill Ingalls)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 9, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 9, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Pam Melroy, President Biden’s nominee to be the next deputy administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Thursday, May 20, 2021, at the Hart Senate Office Building in Washington. Melroy is a former NASA astronaut. Photo Credit: (NASA/Bill Ingalls)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 9, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 9, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Pam Melroy, President Biden’s nominee to be the next deputy administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Thursday, May 20, 2021, at the Hart Senate Office Building in Washington. Melroy is a former NASA astronaut. Photo Credit: (NASA/Bill Ingalls)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 9, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 9, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Pam Melroy, President Biden’s nominee to be the next deputy administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Thursday, May 20, 2021, at the Hart Senate Office Building in Washington. Melroy is a former NASA astronaut. Photo Credit: (NASA/Bill Ingalls)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 9, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 9, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

A hearing agenda is seen ahead of Pam Melroy, President Biden’s nominee to be the next deputy administrator of NASA, appearing before the Senate Committee on Commerce, Science, and Transportation, Thursday, May 20, 2021, at the Hart Senate Office Building in Washington. Melroy is a former NASA astronaut. Photo Credit: (NASA/Bill Ingalls)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 9, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Pam Melroy, President Biden’s nominee to be the next deputy administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Thursday, May 20, 2021, at the Hart Senate Office Building in Washington. Melroy is a former NASA astronaut. Photo Credit: (NASA/Bill Ingalls)

Pam Melroy, President Biden’s nominee to be the next deputy administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Thursday, May 20, 2021, at the Hart Senate Office Building in Washington. Melroy is a former NASA astronaut. Photo Credit: (NASA/Bill Ingalls)

Pam Melroy, President Biden’s nominee to be the next deputy administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Thursday, May 20, 2021, at the Hart Senate Office Building in Washington. Melroy is a former NASA astronaut. Photo Credit: (NASA/Bill Ingalls)

Pam Melroy, President Biden’s nominee to be the next deputy administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Thursday, May 20, 2021, at the Hart Senate Office Building in Washington. Melroy is a former NASA astronaut. Photo Credit: (NASA/Bill Ingalls)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, is seen after appearing before the Senate Committee on Commerce, Science, and Transportation, Wednesday, Dec. 3, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, Dec. 3, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, Dec. 3, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, Dec. 3, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, Dec. 3, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, Dec. 3, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, Dec. 3, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, Dec. 3, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, Dec. 3, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, Dec. 3, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Jared Isaacman, President Donald Trump’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, Dec. 3, 2025, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Joel Kowsky)

Senator Jeanne Shaheen, D-N.H., Chair Senate Appropriations’ Commerce, Justice, Science, and Related Agencies subcommittee talks with NASA Administrator Bill Nelson prior to a hearing, Tuesday, May 3, 2022, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Senate Appropriations’ Commerce, Justice, Science, and Related Agencies subcommittee hearing on NASA’s budget, Tuesday, May 3, 2022, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Former U.S. Senator Bill Nelson’s daughter, Nan Ellen Nelson, left, and his wife Grace Nelson, listen as Bill Nelson, President Biden’s nominee to be the next administrator of NASA, appears before the Senate Committee on Commerce, Science, and Transportation, Wednesday, April 21, 2021, Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Senate Commerce, Science, and Transportation Committee Chair Maria Cantwell, D-Wash., left, talks with NASA Administrator Bill Nelson prior to Nelson testifying before the Senate Committee on Commerce, Science, and Transportation during a hearing titled “Examining NASA’s Budget and Priorities,” Tuesday, May 16, 2023, at the Russell Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

National Science Foundation Director Sethuraman Panchanathan testifies before the Senate Appropriations’ Commerce, Justice, Science, and Related Agencies subcommittee during a budget hearing, Tuesday, April 18, 2023, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

The witness table is seen ahead of NASA Administrator Bill Nelson testifing before the Senate Appropriations’ Commerce, Justice, Science, and Related Agencies subcommittee during a budget hearing, Tuesday, April 18, 2023, at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

Sen. Mark Kelly, D-Ariz., introduces Pam Melroy, President Biden’s nominee to be the next deputy administrator of NASA, during a Senate Committee on Commerce, Science, and Transportation confirmation hearing, Thursday, May 20, 2021, at the Hart Senate Office Building in Washington. Both Kelly and Melroy are former NASA astronauts. Photo Credit: (NASA/Bill Ingalls)

Pam Melroy, President Biden’s nominee to be the next deputy administrator of NASA, listens as Sen. Mark Kelly, D-Ariz., introduces her during a Senate Committee on Commerce, Science, and Transportation confirmation hearing, Thursday, May 20, 2021, at the Hart Senate Office Building in Washington. Both Kelly and Melroy are former NASA astronauts. Photo Credit: (NASA/Bill Ingalls)

Sen. Mark Kelly, D-Ariz., listens after introducing Pam Melroy, President Biden’s nominee to be the next deputy administrator of NASA, during a Senate Committee on Commerce, Science, and Transportation confirmation hearing, Thursday, May 20, 2021, at the Hart Senate Office Building in Washington. Both Kelly and Melroy are former NASA astronauts. Photo Credit: (NASA/Bill Ingalls)

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)

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)