Smithsonian's National Air and Space Museum December 2, 2023 12:40 pm Steven F. Udvar-Hazy Center celebrates 20th anniversary The center opened back in December of 2003, and features over 1000 aviation artefacts. Local 2:07 Why does the sky look bluer in the fall? 1:37 Memorial held for DC woman year after disappearance 25:47 Israel attacks Iran: The News4 Rundown 1:49 George Washington's Mount Vernon undergoing renovations to preserve mansion 3:18 DC-based run club to cheer runners at Marine Corps Marathon