General Howell M. Estes III (born December 16, 1941) served as commander in chief in the North American Aerospace Defense Command (NAADC) and the United States Space Command (USSC), and served as commander in the Air Force Space Command (AFSC), headquartered at Peterson Air Force Base, Colorado. As commander, the general was responsible for the air sovereignty of the United States and Canada, providing tactical warning and attack assessment, directing space control and support operations, directing satellite control, warning, space launch and ballistic missile operations missions.