Al Qaeda

Al Qaeda in Iraq has conducted at least 15 chemical attacks against U.S. and Iraqi Security Forces and civilians since October of 2005. Chlorine gas, which has many civilian applications, has been the primary agent used in the chemical attacks.

Bill Roggio is a Senior Fellow at the Foundation for Defense of Democracies and the Editor of FDD's Long War Journal.

Iraq

Islamic state

Syria

Aqap

Al shabaab

Boko Haram

Isis