NASA Space Reactor Office Program Executive Steve Sinacore speaks during an event where NASA is outlining how the agency is executing President Donald J. Trump’s National Space Policy and accelerating preparations for America’s return to the surface of the Moon by 2028, Tuesday, March 24, 2026, at the Mary W. Jackson NASA Headquarters building in Washington. During the event NASA leadership provided updates on mission priorities, including sending the first astronauts to the lunar surface in more than 50 years, establishing the initial elements of a permanent lunar base, getting America underway in space on nuclear propulsion, and other objectives. Photo Credit: (NASA/Bill Ingalls)

NASA Space Reactor Office Program Executive Steve Sinacore speaks during an event where NASA is outlining how the agency is executing President Donald J. Trump’s National Space Policy and accelerating preparations for America’s return to the surface of the Moon by 2028, Tuesday, March 24, 2026, at the Mary W. Jackson NASA Headquarters building in Washington. During the event NASA leadership provided updates on mission priorities, including sending the first astronauts to the lunar surface in more than 50 years, establishing the initial elements of a permanent lunar base, getting America underway in space on nuclear propulsion, and other objectives. Photo Credit: (NASA/Bill Ingalls)

NASA Space Reactor Office Program Executive Steve Sinacore speaks during a press conference following an event where NASA outlined how the agency is executing President Donald J. Trump’s National Space Policy and accelerating preparations for America’s return to the surface of the Moon by 2028, Tuesday, March 24, 2026, at the Mary W. Jackson NASA Headquarters building in Washington. During the event NASA leadership provided updates on mission priorities, including sending the first astronauts to the lunar surface in more than 50 years, establishing the initial elements of a permanent lunar base, getting America underway in space on nuclear propulsion, and other objectives. Photo Credit: (NASA/Bill Ingalls)

NASA Space Reactor Office Program Executive Steve Sinacore speaks, as NASA Administrator Jared Isaacman, and NASA Associate Administrator Amit Kshatriya, right, look on, during an event where NASA is outlining how the agency is executing President Donald J. Trump’s National Space Policy and accelerating preparations for America’s return to the surface of the Moon by 2028, Tuesday, March 24, 2026, at the Mary W. Jackson NASA Headquarters building in Washington. During the event NASA leadership provided updates on mission priorities, including sending the first astronauts to the lunar surface in more than 50 years, establishing the initial elements of a permanent lunar base, getting America underway in space on nuclear propulsion, and other objectives. Photo Credit: (NASA/Bill Ingalls)

NASA Space Reactor Office Program Executive Steve Sinacore speaks, as NASA Administrator Jared Isaacman, and NASA Associate Administrator Amit Kshatriya, right, look on, during an event where NASA is outlining how the agency is executing President Donald J. Trump’s National Space Policy and accelerating preparations for America’s return to the surface of the Moon by 2028, Tuesday, March 24, 2026, at the Mary W. Jackson NASA Headquarters building in Washington. During the event NASA leadership provided updates on mission priorities, including sending the first astronauts to the lunar surface in more than 50 years, establishing the initial elements of a permanent lunar base, getting America underway in space on nuclear propulsion, and other objectives. Photo Credit: (NASA/Bill Ingalls)

NASA Space Reactor Office Program Executive Steve Sinacore speaks, as NASA Administrator Jared Isaacman, and NASA Associate Administrator Amit Kshatriya, right, look on, during an event where NASA is outlining how the agency is executing President Donald J. Trump’s National Space Policy and accelerating preparations for America’s return to the surface of the Moon by 2028, Tuesday, March 24, 2026, at the Mary W. Jackson NASA Headquarters building in Washington. During the event NASA leadership provided updates on mission priorities, including sending the first astronauts to the lunar surface in more than 50 years, establishing the initial elements of a permanent lunar base, getting America underway in space on nuclear propulsion, and other objectives. Photo Credit: (NASA/Bill Ingalls)

NASA Space Reactor Office Program Executive Steve Sinacore speaks, as NASA Administrator Jared Isaacman, and NASA Associate Administrator Amit Kshatriya, right, look on, during an event where NASA is outlining how the agency is executing President Donald J. Trump’s National Space Policy and accelerating preparations for America’s return to the surface of the Moon by 2028, Tuesday, March 24, 2026, at the Mary W. Jackson NASA Headquarters building in Washington. During the event NASA leadership provided updates on mission priorities, including sending the first astronauts to the lunar surface in more than 50 years, establishing the initial elements of a permanent lunar base, getting America underway in space on nuclear propulsion, and other objectives. Photo Credit: (NASA/Bill Ingalls)

NASA Press Secretary Bethany Stevens, left, moderates a press conference with, NASA Administrator Jared Isaacman, NASA Associate Administrator Amit Kshatriya, acting Associate Administrator for NASA's Exploration Systems Development Mission Directorate Lori Glaze, NASA Moon Base Program Executive Carlos Garcia-Galan, NASA International Space Station Program Manager Dana Weigel, Associate Administrator for NASA's Science Mission Directorate Nicola Fox, and NASA Space Reactor Office Program Executive Steve Sinacore, right, following an event where NASA outlined how the agency is executing President Donald J. Trump’s National Space Policy and accelerating preparations for America’s return to the surface of the Moon by 2028, Tuesday, March 24, 2026, at the Mary W. Jackson NASA Headquarters building in Washington. During the event NASA leadership provided updates on mission priorities, including sending the first astronauts to the lunar surface in more than 50 years, establishing the initial elements of a permanent lunar base, getting America underway in space on nuclear propulsion, and other objectives. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Jared Isaacman, left, and NASA Associate Administrator Amit Kshatriya, are seen as NASA Space Reactor Office Program Executive Steve Sinacore speaks during an event where NASA is outlining how the agency is executing President Donald J. Trump’s National Space Policy and accelerating preparations for America’s return to the surface of the Moon by 2028, Tuesday, March 24, 2026, at the Mary W. Jackson NASA Headquarters building in Washington. During the event NASA leadership provided updates on mission priorities, including sending the first astronauts to the lunar surface in more than 50 years, establishing the initial elements of a permanent lunar base, getting America underway in space on nuclear propulsion, and other objectives. Photo Credit: (NASA/Bill Ingalls)