Wish he really meant it.
There was a firefight last week between Canadian forces training Iraqi's and ISIS forces. The Canadians went from training mode to example mode. ISIS got lead poisoning.
As for the ROE, if they get shot at, their orders are to kill the enemy: "Defence Minister Rob Nicholson... said..."we didn't put limits on their (Canadian forces) abilities to advise and assist the Iraqis."
http://www.sunnewsnetwork.ca/sunnews/politics/archives/2015/01/20150122-171901.html