MANNED SPACE FLIGHT EDUCATION FOUNDATION OPERATES SPACE CENTER HOUSTON, A VISITORS' CENTER DEVOTED TO INCREASING PUBLIC KNOWLEDGE OF MANNED SPACE FLIGHT BY PROVIDING ARTIFACTS, EXHIBITS, TOURS OF NASA, AND LIVE DEMONSTRATIONS. VISITORS APPROXIMATE 1,000,000 ANNUALLY. IN ADDITION, THE FOUNDATION BENEFITS FROM VOLUNTEER EFFORTS, WHICH HAVE TOTALED 13,500 HOURS AND HAVE BEEN VALUED AT $400,000. THE MISSION OF SPACE CENTER HOUSTON, THE GATEWAY TO JOHNSON SPACE CENTER AND THE ASTRONAUTS, IS TO BE A WORLD-CLASS ATTRACTION DEDICATED TO INSPIRING, ENTERTAINING AND EDUCATING EVERY GENERATION ABOUT SPACE EXPLORATION, THE MISSION OF NASA'S JOHNSON SPACE CENTER, RELATED AREAS OF SCIENCE AND TECHNOLOGY, AND THE BENEFITS OF SPACE EXPLORATION TO HUMANKIND.