2021 ASC Conference Defending the Homeland This event has already taken place.DATE: September 21, 2021 SpeakersLt Gen David A. Deptula USAF (Ret.)Dean of the Mitchell Institute for Aerospace StudiesGen Glen D. VanHerckCommander, United States Northern Command and North American Aerospace Defense CommandLt Gen Stephen N. WhitingCommander, U.S. Space CommandADM Christopher W. GradyCommander, United States Fleet Forces Command Share Article