The National Museum of the U.S. Air Force opens its new, fourth building to the public on June 8. The Air Force Foundation privately financed the 224,00-square-foot building. The museum is the world’s largest and oldest military aviation museum featuring more than 360 aerospace vehicles and missiles on display. About 1 million people visit the museum each year. Admission and parking is free.

Houses more than 70 aircraft, missiles and space vehicles

Houses the only remaining XB-70 Valkyrie, which has a maximum speed of

2,056
mph

(Mach 3.1) at

73,000 feet

Houses the Titan IVB, the U.S. Air Force’s largest single-use space launch rocket