NASA Administrator Jared Isaacman leads a flight of his personally owned F-5 Tiger II aircraft on a flyby of Launch Complex 39A where a SpaceX Falcon Heavy rocket with NASA's Nancy Grace Roman Space Telescope, encapsulated in a protective payload fairing, is undergoing final launch preparations, Saturday, Aug. 29, 2026, at NASA Kennedy Space Center in Florida. (Joel Kowsky/NASA via AP)

NASA's Nancy Grace Roman Space Telescope, encapsulated in a protective payload fairing atop a SpaceX Falcon Heavy rocket, is seen at sunrise, Saturday, Aug. 29, 2026, at Launch Complex 39A at NASA's Kennedy Space Center in Florida. (Joel Kowsky/NASA via AP)