WASHINGTON, DC - JUNE 23: Visitors look at an exhibit on the atomic bomb in the "Jay I. Kislak World War II in the Air" gallery at the Smithsonian National Air and Space Museum on June 23, 2026 in Washington, DC. In honor of the museum's 50 year anniversary the Air and Space Museum is preparing to open five new galleries as part of it's multi-year renovation project. The new galleries include Flight and the Arts Center, Jay I. Kislak World War II in the Air, RTX Living in the Space Age, U.S. National Science Foundation Discovering Our Universe and TEXTRON How Things Fly. (Photo by Kevin Dietsch/Getty Images)