The Hampton Roads region is home to the Joint and Coalition Training (JCW), the US Army's Training and Doctrine Command, the Military Transportation Management Command, NATO Allied Command Transformation, the Armed Forces Staff College, the U.S. Navy's Commander Operational Test and Evaluation Force, the Naval Sea Systems Command, and the Space and Naval Warfare Center. In addition, the Department of Energy's Jefferson Lab, NASA-Langley Research Center and numerous regional industries are important users of MS&V technology. The economic value of MS&V-related business activity in Hampton Roads is estimated to be over $500 million.