From Wikipedia: "Airforce Delta Strike, known as Airforce Delta: Blue Wing Knights in Japan and Deadly Skies III in Europe, is the third installment in the Konami Airforce Delta series. It was released in 2004 exclusively on the PlayStation 2. It plays very similarly to the previous Airforce Delta games." Source: Wikipedia, "http://en.wikipedia.org/wiki/Airforce_Delta_Strike," available under the CC-BY-SA License.