The John C. Stennis Space Center (SSC) is a NASA rocket testing facility. It is located in Hancock County, Mississippi (United States), on the banks of the Pearl River at the Mississippi–Louisiana border. As of 2012, it is NASAs largest rocket engine test facility. There are over 30 local, state, national, international, private, and public companies and agencies using SSC for their rocket testing facilities. This centre is supported by Mississippi State University Science and Technology Center, Mississippi State University Center for Battlefield Innovation, Mississippi State University Northern Gulf Institute, Mississippi State University GeoSystems Research Institute, The University of Southern Mississippis High Performance Visualization Center, The University of Southern Mississippis Department of Marine Science, Mississippi State University - Industrial Technology Department. The INFINITY Science Center is the public NASA visitor and science museum for John C. Stennis Space Center. The 72,000 sq.-foot facility is located adjacent to the Mississippi Welcome Center near the MS/LA border. Admission includes a behind-the-scenes bus tour of nearby Stennis Space Center. The themes of the centers interactive exhibits include NASA, space, planets, stars, weather, earth science, space travel and exploration. Displays include a full-sized International Space Station module, a cutaway model of the Orion spacecraft, and components from a space-flown RS-25 Space Shuttle Main Engine. Outdoor displays include an F-1 rocket engine, a tsunami buoy, U.S. Navy riverine training boat and the Apollo 19 Saturn V first stage rocket booster (acquired from NASA Michoud Assembly).