U.S. Cyber Command (CYBERCOM) over the last couple of months has developed a model that instructs the services how to support it, according to the Air Force’s top officer. Air Force Chief of Staff Gen. Mark Welsh said Monday at an Air Force Association breakfast in Arlington, Va., that this new rollout is part of the Defense Department’s effort to figure out its national posture for cyber. CYBERCOM is a sub-unified command subordinate to U.S. Strategic Command (STRATCOM). Air Force…