“Since the Syrian civil war began in the spring of 2011, the Islamic State, al Qaeda, and other allied jihadist groups have operated more than 30 training camps inside Iraq and Syria. While global jihadist groups have primarily used camps to indoctrinate and train fighters for local insurgencies as part of the effort to establish a global caliphate, in the past al Qaeda has used its camps to support attacks against the West.”
Source: Jihadist training camps proliferate in Iraq and Syria – The Long War Journal