Player Embed Code: Download Embed Share Air, Space and Cyber Conference: Combatant Commander Perspectives on Multi-Domain Operations Defense.gov Sept. 19, 2018 | 41:07 Air Force Gen. John E. Hyten, commander of U.S. Strategic Command, and Chief Master Sgt. Patrick McMahon, the command senior enlisted leader, participate in a panel at the Air, Space & Cyber Conference at National Harbor, Md., Sept. 19, 2018.