What is national theme and what state submitted it?

State: Ohio

Ohio has a rich history in aerospace innovation and is home to several NASA facilities and aerospace companies. The state has also played a key role in the development of human spaceflight, including the development of the Apollo missions and the Space Shuttle.

The theme "Advancing the Frontier of Human Spaceflight" was chosen to reflect Ohio's contributions to the field and to inspire future generations of explorers. The theme also emphasizes the importance of international collaboration in space exploration and the need to continue pushing the boundaries of what is possible.