Iran Plots Escalating Attacks on U.S. Forces in Syria With Russian Support

Iran is arming militants in Syria to carry out lethal attacks against American troops.
Iran and Russia are cooperating to drive the U.S. military out of Syria.
Iran is building and training forces to deploy more powerful armor-piercing roadside bombs that could increase casualties.
The intensified attacks and new explosive devices risk sparking a wider confrontation with Iran.
Russia has harassed U.S forces in Syria with provocative actions recently.