Is that the same ISIS that USA supported in Syria?
Rather makes your point looks stupid
Might want to check your history there Notchy. You appear to be confusing the USA with Russia.
US intervention in the Syrian civil war - Wikipedia
en.wikipedia.org
On 22 September 2014, the United States officially intervened in the Syrian civil war with the stated aim of fighting the terrorist organization ISIS in support of the international war against it, code named Operation Inherent Resolve. The US currently continues to support the Syrian rebels and the Kurdish-led Syrian Democratic Forces opposed to both the Islamic State and Syrian president Bashar al-Assad.