A USAF E-11A Battlefield Airborne Command Node (BACN) aircraft was tracked entering Iraqi airspace from Prince Sultan Airbase (OEPS) in Saudi Arabia. The aircraft, serial 24-9049 (hex #AF83F0), was observed on an unusual routing this morning. The call-sign was not identified, though BACN aircraft commonly use "BACN" or "BLACKWOLF" call-signs.