Who's who in coalition against IS jihadists: The US-led coalition against the jihadist Islamic State group in Iraq and Syria groups more than 60 countries, of which a dozen are taking part in air strikes.
Washington is carrying out its strikes in Syria with the help of Arab allies - Bahrain, Jordan, Saudi Arabia and Qatar.
In Iraq it has the active support of seven Western countries - Australia, Belgium, Britain, Canada, Denmark, France and the Netherlands.
The coalition has since August carried out 2,000 air strikes, US Secretary of State John Kerry said on February 8.
While excluding the deployment of ground troops, coalition countries have also sent more than 1,000 military trainers to work with Iraqi forces.
