They were never in the Middle East. Afghanistan is in Central Asia. Wrap your heads around the fact that not every Muslim country is "Middle East" and that it's 3000 km from Kirkuk to Kabul.
And if you mean "Russia fighting muslim insurgents", well, let's not forget the lengths they went to, to crush the Chechen rebels.
And if you mean "Russia fighting muslim insurgents", well, let's not forget the lengths they went to, to crush the Chechen rebels.