Recently while reading about the British and UN Mission operating roles in the country of Sierra Leone in Africa, and the Canadian Forces as part of the International Military Advisory Training Team while serving there.
Here are a couple of interesting links regarding this topic.
http://www.comfec-cefcom.forces.gc.ca/pa-ap/ops/sculpture/index-eng.asp
http://news.bbc.co.uk/2/hi/programmes/newsnight/8692557.stm
Chris