This action proposes to modify the Class D and Class E airspace designated as a surface area and revoke the Class E airspace designated as an extension to a Class D or Class E surface area at Buckley Space Force Base BKF Aurora CO. Additionally this action proposes administrative amendments to update the airport's legal description to match the FAA database. These actions would support the safety and management of instrument flight rules IFR and visual flight rules VFR operations at the airport.