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

For 250 years, America has pushed the limits of what is possible. From the earliest days of exploration to the first steps on the Moon to the missions that will shape our future, NASA embodies the spirit of discovery that defines our nation.

As the United States celebrates its semi-quincentennial, Freedom 250 highlights how innovation, courage, and scientific leadership have advanced America and how NASA continues to expand the frontier for the next generation.