Washington, DC: On the south side of the National Mall lies the most popular of the Smithsonian Institute’s museums. Accommodating over nine million visitors annually, the National Air and Space Museum is home to over 50,000 aviation related artifacts ranging from helmets to actual aircraft and rockets. The museum’s existence began by an act of Congress in 1946 declaring the need for a national museum to house the growing aviation collection. President Harry Truman singed the act into law, establishing the National Air Museum as a branch of the Smithsonian Institute. During the early days of the museum, the exhibits were housed in the Smithsonian Arts and Sciences building. In 1948, the museum received possession of the 1903 Wright Brothers Flyer, the keystone of aviation history. The aircraft collection continued to grow and in 1958 President Dwight Eisenhower approved the planning of a new facility. It wasn’t until 1972 before Congress approved the funding to construct the faci...