National Air and Space Museum Completes Renovations

The Washington, DC institution opens its final two exhibition galleries to mark a multi-year project.

Updated on Oct. 31, 2026 in Space

Isometric editorial illustration of a modern institutional building facade with clean metallic panels, representing museum renovation and architectural modernization. — The National Air and Space Museum has concluded a multi-year renovation, reopening its final galleries to mark its 50th anniversary in Washington, DC. AI Illustration. Upload story photo >

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The National Air and Space Museum has unveiled its final two exhibition galleries, concluding a comprehensive renovation project that began in 2018. The opening of these spaces coincides with the museum's 50th-anniversary celebration.

Why it matters

This milestone marks the end of an extensive modernization effort to refresh the museum's aging infrastructure and exhibits. By redesigning all 20 galleries, the facility ensures its displays better reflect current historical and scientific standards.

The renovation project encompassed the redesign of 20 total galleries and extensive mechanical upgrades. The building exterior cladding was also completely replaced to modernize the facility.

The players

National Air and Space Museum

This major institution located at 650 Jefferson Drive SW in Washington, DC, preserves and displays the history of aviation and space flight.

The details

The project involved structural improvements, including replacing exterior cladding and upgrading core mechanical systems. These enhancements were phased over several years, with previous gallery reopenings occurring in October 2022, July 2025, and July 2026.

2018: The museum renovation project began.
October 2022: The first phase of the renovation project reopened.
July 2025: The second phase of the renovation project reopened.
July 1, 2026: Five galleries opened to the public.
October 30, 2026: The At Home in Space gallery opened.

The Big Picture

This renovation follows the long-term infrastructure maintenance protocols established by the Smithsonian Institution. The project aligns with ongoing efforts to modernize national cultural facilities to meet contemporary preservation requirements.

Visitors can now explore the fully updated facility in Washington, DC, which maintains daily operating hours from 10 am to 5.30 pm. Guests planning to visit the related Udvar-Hazy Center should note that the site charges a USD 15 parking fee.

The takeaway

The completion of this project provides visitors with a fully modernized experience across all 20 exhibition spaces. Those planning a trip to the capital can now see the museum in its updated state as it enters its second half-century of operation.