Rocket launcher?

So, ISIS acquired the potential to combat air  operations, a serious challenge for US airstrikes in Iraq and Syria.  Would it be far-fetched to assume they have multiple surface-to-air  missiles seized from the arsenals in Mosul and surrounding areas? In  2013 AQ groups were lovingly pestering the Americans to send them  ground-to-air missiles to target the Syrian air force. They've now got  that from Iraq to target the Americans. Hopefully ones like John McCain  have realized how full of weird surprises life can be!

ISIS shot down Iraqi military helicopter, says official