LIVE: US Northern Command Holds 9/11 Commemoration Ceremony

Air Force Gen. Glen D. VanHerck, commander of the North American Aerospace Defense Command and U.S. Northern Command, hosts a 9/11 commemoration ceremony at Peterson Space Force Base, Colorado. Guest speakers include Army Gen. James H. Dickinson, who is the commander of the U.S. Space Command, and retired Air Force Gen. Ralph E....