Tags: Military Structure.
IWO redirects here. For the radical fraternal-benefit society see International Workers Order.Central Field or Iwo Jima Air Base (IATA: IWO ICAO: RJAW) is a World War II airfield on Iwo Jima in the Bonin Islands located in the Central Pacific. The Bonin Islands are part of Japan. Today the base is the only airfield on the island operated by the Japan Self-Defense Forces.