To celebrate four decades on the National Mall, the Smithsonian’s largest museum held an all-night party.

Hundreds of people rushed into the celebration Friday night at the National Air and Space Museum.

There were movies, new exhibits, live music and stargazing.

The event also marks the re-opening of the “Boeing Milestones of Flight Gallery”, which has undergone a $30 million renovation.

The space showcases new digital elements and an updated arrangement of museum artifacts.

Those in attendance said the event was a great experience for the holiday weekend.

President Gerald Ford welcomed the National Air and Space Museum’s first crowds July 1, 1976.

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