Chinese navy special forces participate in a training session on the deck of the missile destroyer Haikou on Dec 25, 2008, one day before they set sail for an anti-piracy mission off Somalia. [Photo/Xinhua]

Cui Yongbiao and his fellow soldier, mine clearers of the 10th Chinese peacekeeping engineer battalion in Lebanon, remove an anti-tank mine at the Lebanon-Israel border on Aug 28, 2012. China has sent 21,000 peacekeepers to 30 United Nations peacekeeping missions. [Photo/Xinhua]