Turkey sends a jet fighter into Syria’s air space. Naturally, it’s brought down. And now the war drums are banged in Ankara.

Martin McCauley writes: There has long been speculation that the Chinese Air Force has been developing fifth generation fighters. The aim is to have them in service within eight or ten years and certainly by 2020. Recently, the deputy commander of the Air Force confirmed these rumours. Flight trials will begin soon. These revelations came as a shock to Western analysts who have been taken aback by the speed of this modernisation. It also reveals that the Chinese defence industry [...]