By Liam Buckler An expert has warned the Islamic Resistance group is “operating simultaneously on various fronts” against the US after it claimed a devastating drone attack that killed three troops and injured dozens more. The “Axis of Resistance” is a hardline Shi’ite Muslim armed group with close ties toIran and has claimed more than 150 attacks on bases housing US forces in Syria and Iraq since October. Most recently, they claimed an attack near the Syrian-Jordanian border, and since mid-October, a group of Iran-backed militias calling itself the Islamic Resistance in Iraq have launched reg…