They got those shoulder fired missiles as an indirect gift from Obama. When Obama illegally supported the invasion and overthrow of Libya and the murder of Gaddafi, all of Libya armaments fell into the hands of the AQ/MB alliance, which in turn supports the PLO/Hamas/Hezbolla allance, as does Obama.
Obama's never ending support of Muslim radicals is causing everyone to be less safe including America and all of her former traditional allies.