the 321st air expeditionary wing was a united states air force unit assigned united states air forces central, the usaf component command of united states central command. the unit was reestablished on 1 november 2008 and was a nexus of all coalition air force training teams and the iraqi air force at cob speicher. it was previously the 321st bombardment group (medium), which flew b-25 mitchells in combat with the northwest african strategic air force in 1943 and the mediterranean allied tactical air force in 1944–45.