I just watched this documentary last night which gives a pretty good overview of the war against ISIS. It provides a pretty good recap of the conflict and all of the major players involved. Take a look on the Frontline website.
More from SOFREP
Department of Homeland Security to replace military uniforms for Feds2
Beirut Explosion: More questions than answers as anger replaces shock3
SAS operator who singlehandedly stopped terrorist attack recognized4
Air Force Special Operations Airman becomes first-ever religious waiver5
Officers and enlisted in Delta Force