In September 2014, several Free Syrian Army groups released a video addressing the
Siege of Kobani in which they issued a joint statement pledging to defend the city from
ISIS and asking for aid from western countries to do so. The
Wall Street Journal noted that the flag of the
YPG featured prominently in the video, indicating the possibility of YPG cooperation with the FSA.[9]
This was proved true later that year, when YPG member started to train FSA members, eventually leading to the establishment of the Euphrates Volcano, which deepened the alliance between the PYD and Kobani FSA. [10][11]
The
capture of Tell Abyad from ISIL in July 2015 was a major success of the Euphrates Volcano operations room.[12][13]
On 10 October 2015, the Euphrates Volcano was one of the
founding members of the Syrian Democratic Forces.[14] Soon after the formation of the SDF, the Euphrates Volcano was superseded by various other groups and military councils within the SDF.[3] It was one of the few operations rooms which had been set up by non-government forces during the civil war that were able to transform into a "semi-stable" alliance.[15]
^"How Islamic State Victories Shape the Syrian Civil War". Stratfor. 2 June 2015.
Archived from the original on 4 June 2015. Retrieved 8 June 2015. Over the past week, the Euphrates Volcano outfit, which is affiliated with the Free Syrian Army, openly targeted the Islamic State-held town of Tal Abyad in northern Raqaa province.