Army Command Sgt. Maj. John Wayne Troxell, Senior Enlisted Advisor to the chairman of the Joint Chiefs of Staff (SEAC), hosts a press briefing on the emerging domains of space and cyber in the Pentagon Press Briefing Room, Washington, D.C., Dec. 9, 2019. Air Force Chief Master Sgt. Roger Towberman, U.S. Space Command Senior Enlisted Leader; Marine Corps Master Gunnery Sgt. Scott Stalker, U.S. Cyber Command Senior Enlisted Leader; and Air Force Chief Master Sgt. Patrick F. McMahon, U.S. Strategic Command Senior Enlisted Leader; joined Troxell to speak as part of the SEAC hosted annual Defense Senior Enlisted Leader Council. (DoD Photo by U.S. Army Sgt. James K. McCann)