Earlier quoted context omitted.
If there's one thing Russia is very good at, it's surface to air defense. They've screwed so much of this operation thus far, but I bet you that good chunks of that column consist of Tunguskas and Tors, and the Ukrainians know it.
I see no Tunguska in remains of convoy: https://www.facebook.com/serega.misura/posts/702155627791475... .
Maybe not, but there are definitely those in service, one damaged and abandoned, one disabled and one captured.