The National Aviation and Space Museum is the Smithsonian Institution's Museum of Aviation and Space Science. It was built in 1946 and opened in 1976. It is the world's largest museum with a collection of aviation and space equipment and equipment. It is also a very important museum engaged in aviation technology. The center of space warfare and planetary science research. The museum has two exhibition areas: the main museum is located in the National Mall in Washington, where hundreds of aircraft-related exhibits are on display, including the Wright spacecraft, the Apollo 11 good command module, lunar rock specimens, etc. Another exhibition area is in Virginia.