Jan. 8, 2025
Lt. Gen. Mary O'Brien, USAF
Lt. Gen. Mary F. O’Brien is the Director of Command, Control, Communications and Computer/Cyber, and Chief Information Officer, J6, Joint Staff, the Pentagon, Arlington, Virginia. She develops C4 capabilities, conducts analysis and assessments, provides Joint and Combined Force C4 guidance, and evaluates C4 requirements, plans, programs and