Harjit Sajjan Canadian Defense Minister Harjit Sajjan, speaks during a change-of-command ceremony at Peterson Air Force Base, Colo., Aug. 20, 2020. Air Force Gen. Glen D. VanHerck succeeds Air Force Gen. Terrence J. O'Shaughnessy as the commander of the North American Aerospace Defense Command and U.S. Northern Command. SHARE IMAGE: Download Image: Full Size (0.48 MB) Photo By: DOD Video Still VIRIN: 200820-O-ZZ999-002C.JPG Photo Gallery