Leader Arrival Defense Secretary Lloyd J. Austin III speaks with Air Force Gen. Glen D. VanHerck, commander of the North American Aerospace Defense Command and U.S. Northern Command, at Peterson Air Force Base, Colo., Feb. 24, 2021. SHARE IMAGE: Download Image: Full Size (0.55 MB) Photo By: Air Force Airman 1st Class Brooke Wise, Space Force VIRIN: 210224-F-MC941-0036.JPG Photo Gallery