NASA's principal rocket propulsion testing center, employing approximately 3,500 people. Stennis Space Center occupies nearly 14,000 acres and is surrounded by a 125,828-acre acoustical buffer zone. It boasts a seven and one-half-mile, man-made Panama Canal-type lock system used to transport liquid propellants to the center as well as a water transportation route to the Gulf of Mexico and to Kennedy Space Center in Florida. Stennis Space Center's test complex consists of two massive concrete and
Space, Transportation - Misc
steel vertical rocket propulsion test stands and a smaller concrete and steel three-position horizontal test stand. The vertical stands are utilized to test Space Shuttle Main Engines. These testing facilities are supported by a 66-million-gallon water storage reservoir, electrical power generating plant, gaseous storage vessels and cryogenic propellant facilities. Stennis is also a major oceanographic and meteorological research center for the US Navy.