NASA Administrator Jared Isaacman leads a flyover featuring his personally owned Northrop F-5 Tiger during the Great American State Fair on July 4, 2026, on the National Mall in Washington, D.C.

For 250 years, America has pushed the boundaries of what’s possible. From the earliest days of exploration, to the first steps on the Moon and the missions shaping our future, NASA represents the spirit of discovery that defines our nation.

As the United States celebrates its semiquincentennial, Freedom 250 highlights how innovation, courage, and scientific leadership have carried America forward — and how NASA continues to expand the frontier for the next generation.