Lt. Gen. Dave Deptula, USAF Ret., dean of the Mitchell Institute for Aerospace Studies, discusses establishing the US Space Force President Trump called for on June 18, why making it a standalone service is a question of “when” not “if,” how the Pentagon should approach its development and coordinate with other government agencies, and more during a June 29, 2018, interview with Defense & Aerospace Report Editor Vago Muradian in northern Virginia.