The 458th Air Expeditionary Group (458 AEG) is a provisional United States Air Force unit assigned to the United States Air Forces in Europe. As a provisional unit, the 458 AEG may be activated or inactivated at any time. The last known activation of the unit was at Mihail Kogălniceanu International Airport, 26 km NW of Constanţa, Romania. The group was active from about March to June 2003, charged with maintaining an airbridge at the base to transport supplies and people to the US Central Command Area of Responsibility (AOR).