ICAO defines an aerodrome as a defined area on land or water (including any building,installations and equipment)intended to be used either wholly or in part for the arrival, departure and surface movement of aircraft. Landing fields, airfield, landing strips and airstrip are refer to facility that has nothing more than a runway, although they can have more structures, such as terminal or hanger buildings. Military facilities also can be referred to as airfields, airbases, air stations and airports.