U.S. intervention is worsening Syria's conflict and helping ISIS' “We did not get any weapons from the U.S. to fight the regime for the last three years – only now do U.S. weapons arrive for fighting Daesh,” FSA fighter Omar Waleed told The Guardian.
The Free Syrian Army's strength has diminished significantly as the war drags on. In addition to battling other rebel and extremist groups for control and influence over Syrian territory, the FSA has also had to fight for its dwindling reputation, amid mistrust that foreign support has turned its members into foreign agents, compromising their credibility among Syrians.
In September 2014, the remnants of its central command refused to join a coalition with the U.S.-backed al-Hazzem Movement to fight against the Islamic State on the ground, although the group has accepted weapons and training from the U.S. to fight on their own. "If they want to see the FSA on their side, they should give assurances on toppling the Assad regime, and on a plan that includes revolutionary principles." '