The United States Army Training and Doctrine Command (TRADOC) is a direct reporting unit of the United States Army responsible for overseeing training, doctrine, and leader development. TRADOC is headquartered at Fort Eustis in Virginia and has subordinate commands located throughout the United States. The command's mission is to develop, educate, and train soldiers, leaders, and civilians to win in a complex world. TRADOC is responsible for developing and maintaining the Army's doctrine, training programs, and leader development programs. The command also conducts research and development to improve the Army's capabilities and ensure that soldiers are prepared to meet the challenges of the future.