A US soldier stands by a Bradley Fighting Vehicle (BFV) during a patrol in the countryside in Syria's north-eastern Hasakah province on February 2, 2021. AFP 
A US soldier stands by a Bradley Fighting Vehicle (BFV) during a patrol in the countryside in Syria's north-eastern Hasakah province on February 2, 2021. AFP 

Iran’s proxies in Iraq and Syria hindering US fight against ISIS, says Pentagon