Really? A “rocket launcher”. Perhaps it would be a tad to disconcerting to admit that ISIS actually has multiple surface-to-air missiles courtesy of, well, you know.

(Via Sky News) Fighters from the Islamic State extremist group have used a rocket launcher to shoot down an Iraqi military helicopter, say officials.
The pilot and co-pilot of the Mi-35 aircraft were reportedly killed in the attack which happened between the towns of Beiji and al Senniyah in northern Iraq.
The shooting down of the helicopter showed the insurgents’ ability to hit back against air operations by Iraqi authorities and the US-led coalition.
The IS jihadists have taken over large parts of western and northern Iraq in recent months after government forces melted away in the onslaught and left behind US-made military equipment including tanks.
Beiji, which is 130 miles north of Baghdad, is home to Iraq’s biggest oil refinery. (read more)