U.S. and Iran on a Collision Course in Syria, Again
Iran and its allies are sending reinforcements near a de-confliction zone in southeastern Syria to pressure the U.S. military to withdraw from a strategic garrison near al-Tanf border crossing. Both Tehran and Damascus see the presence of U.S. troops training rebel forces in al-Tanf, as well as in northeastern Syria, as a serious threat. Iran also views the expulsion of the U.S.