The 406th Air Expeditionary Group (406 AEOG) is the operational flying component of the 406th Air Expeditionary Wing. It is a provisional unit assigned to the United States Air Forces in Europe. The current status of this unit is undetermined. The group's World War II predecessor unit, the 406th Fighter Group was assigned to Ninth Air Force in Western Europe. It was awarded two Distinguished Unit Citations for its actions in combat during the Battle of Normandy and the Battle of the Bulge.