The 17-acre aviation and aerospace museum, which opened in 2003 as an adjunct to the popular National Air and Space Museum in Washington, D.C. But the massive Udvar-Hazy indoor complex, located in Chantilly, Virginia, near Dulles International Airport, should have no problem offering plenty of space for maintaining social distancing. Visitors must comply with health and safety precautions, including timed-entry passes, hand-sanitizing stations, mask requirements for ages two and up, and limited numbers of visitors. Udvar-Hazy Center will reopen May 5 following months of closure as a public health precaution due to COVID-19. The Smithsonian Institution has announced that the Steven F.