Air Force Gen. Glen D. VanHerck Air Force Gen. Glen D. VanHerck, commander, North American Aerospace Defense Command and U.S. Northern Command, speaks at the Space & Missile Defense Symposium, in Huntsville, Ala., Aug. 10, 2021. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: DOD Screenshot VIRIN: 210810-O-D0439-001.JPG Photo Gallery