The Islamic State's Evolving Chemical Arsenal

This article examines the growing chemical weapon capabilities of the Islamic State from the crude poisons and toxins of its founding father Abu Mus'ab al-Zarqawi to the current battlefield use of indigenously produced mustard gas in Iraq and Syria. By examining this evolution as a phenomenon separate from Al Qaeda, a clearer picture emerges of a dedicated and increasingly successful chemical weapons program that threatens military forces and civilian populations around the world.