The Manned Space Flight Education Foundation is a 501(c)(3) nonprofit educational foundation offering extensive science education programs and a space museum. The cornerstone of its education mission is Space Center Houston, a leading science and space exploration learning center. It is one of Houston’s top attractions, the area’s No. 1 attraction for international visitors, the Official Visitor Center of NASA Johnson Space Center and a Smithsonian Affiliate. Since opening in 1992, Space Center Houston has welcomed nearly 20 million visitors and currently hosts more than 1 million visitors annually in its 250,000-square-foot educational complex