Canadian Prime Minister Stephen Harper is introducing a motion to Parliament today (video here) that would extend Canada’s military mission against the Islamic State for another year and would authorize Canadian airstrikes against the Islamic State inside Syria for the first time.

If Canada begins the airstrikes inside Syria, it will join Bahrain, Jordan, Morocco, Qatar, Saudi Arabia, the UAE, and the United States in doing so and will become just the second NATO country to bomb the Islamic State in Syria. Thus far, NATO countries have largely stopped short of participating in the air campaign against the terrorist group inside Syria.

We will have updates on any important developments in this case, in the meantime, here’s a selection of past Just Security posts on the legality of airstrikes in Syria: