The Associated Press reports: Bearded and wearing bright blue bandanas, the Islamic State group’s “special forces” unit gathered around their commander just before they attacked the central Syrian town of al-Sukhna. “Victory or martyrdom,” they screamed, pledging their allegiance to God and vowing never to retreat.

The IS calls them “Inghemasiyoun,” Arabic for “those who immerse themselves.” The elite shock troops are possibly the deadliest weapon in the extremist group’s arsenal: Fanatical and disciplined, they infiltrate their targets, unleash mayhem and fight to the death, wearing explosives belts to blow themselves up among their opponents if they face defeat. They are credited with many of the group’s stunning battlefield successes — including the capture of al-Sukhna in May after the scene shown in an online video released by the group.

“They cause chaos and then their main ground offensive begins,” said Redur Khalil, spokesman of the U.S.-backed Kurdish People’s Protection Units, which have taken the lead in a string of military successes against the IS in Syria. [Continue reading…]