By Peter Mattis
This month, Moscow publicly announced its federal security service had detained a Chinese spy, Tong Shengyong, who the Russians say they caught attempting to purchase documentation for the S-300 surface-to-air missile. The case has puzzled observers, because Beijing had already purchased the S-300 system several years ago, and started fielding its own knock-off.
Speculation has abounded over why the Chinese intelligence services would waste their time stealing details of a system they already possessed. The mechanics of Tong’s case are less important, however, than what it says about Chinese intelligence services and their operations – or at least foreign perceptions of that threat.
Read the full story at The Diplomat