 In February 2001, the 552d Air Control Wing saw the final flight of an E-3 Airborne Warning and Control System's Block 20/25 aircraft (tail #75-57).In September 2001, the wing saw completion of the Block 30/35 upgrade when that same aircraft rolled out of depot maintenance.During March 2001, in an effort to bring the 552d Air Control Wing in alignment with the needs of the Expeditionary Aerospace Force, the 960th Airborne Warning and Control Squadron was reactivated and redesignated as the 960th Airborne Air Control Squadron.