WASHINGTON, DC - DECEMBER 03: Jared Isaacman, U.S. President Donald Trump's nominee to be National Aeronautics and Space Administration (NASA) Administrator, arrives for his confirmation hearing in the Russell Senate Office Building on Capitol Hill on December 3, 2025 in Washington, DC. Isaacman, a billionaire entrepreneur and close associate of SpaceX CEO Elon Musk, faces a rare second confirmation hearing before the Senate Commerce, Science and Transportation Committee. (Photo by Anna Moneymaker/Getty Images)

WASHINGTON, DC - DECEMBER 03: Jared Isaacman, U.S. President Donald Trump's nominee to be National Aeronautics and Space Administration (NASA) Administrator, arrives for his confirmation hearing in the Russell Senate Office Building on Capitol Hill on December 3, 2025 in Washington, DC. Isaacman, a billionaire entrepreneur and close associate of SpaceX CEO Elon Musk, faces a rare second confirmation hearing before the Senate Commerce, Science and Transportation Committee. (Photo by Anna Moneymaker/Getty Images)

WASHINGTON, DC - DECEMBER 03: Jared Isaacman (R), U.S. President Donald Trump's nominee to be National Aeronautics and Space Administration (NASA) Administrator, greets ranking member Sen. Maria Cantwell (D-WA) as he arrives for his confirmation hearing in the Russell Senate Office Building on Capitol Hill on December 3, 2025 in Washington, DC. Isaacman, a billionaire entrepreneur and close associate of SpaceX CEO Elon Musk, faces a rare second confirmation hearing before the Senate Commerce, Science and Transportation Committee. (Photo by Anna Moneymaker/Getty Images)

WASHINGTON, DC - DECEMBER 03: Chairman Sen. Ted Cruz (R-TX) arrives for a hearing with the Senate Commerce, Science and Transportation Committee in the Russell Senate Office Building on Capitol Hill on December 3, 2025 in Washington, DC. The committee held the hearing to consider the nominations of Jared Isaacman to be Administrator of the National Aeronautics and Space Administration (NASA) and Steven Haines to be Assistant Secretary of Commerce for Industry and Analysis. (Photo by Anna Moneymaker/Getty Images)

WASHINGTON, DC - DECEMBER 03: Jared Isaacman, U.S. President Donald Trump's nominee to be National Aeronautics and Space Administration (NASA) Administrator, arrives for his confirmation hearing in the Russell Senate Office Building on Capitol Hill on December 3, 2025 in Washington, DC. Isaacman, a billionaire entrepreneur and close associate of SpaceX CEO Elon Musk, faces a rare second confirmation hearing before the Senate Commerce, Science and Transportation Committee. (Photo by Anna Moneymaker/Getty Images)

WASHINGTON, DC - DECEMBER 03: Chairman Sen. Ted Cruz (R-TX) arrives for a hearing with the Senate Commerce, Science and Transportation Committee in the Russell Senate Office Building on Capitol Hill on December 3, 2025 in Washington, DC. The committee held the hearing to consider the nominations of Jared Isaacman to be Administrator of the National Aeronautics and Space Administration (NASA) and Steven Haines to be Assistant Secretary of Commerce for Industry and Analysis. (Photo by Anna Moneymaker/Getty Images)

WASHINGTON, DC - DECEMBER 03: Science educator Bill Nye (L) arrives to attend a hearing with the Senate Commerce, Science and Transportation Committee on Capitol Hill on December 3, 2025 in Washington, DC. The committee held the hearing to consider the nominations of Jared Isaacman to be Administrator of the National Aeronautics and Space Administration (NASA) and Steven Haines to be Assistant Secretary of Commerce for Industry and Analysis. (Photo by Anna Moneymaker/Getty Images)

US science educator and media personality Bill Nye (2L) looks on before the start of Jared Isaacman's, NASA Administrator nominee, testimony during a Senate Commerce Committee nomination hearing on Capitol Hill in Washington, DC on December 3, 2025. (Photo by Jim WATSON / AFP via Getty Images)