That convoy is following advance of the assult units,same with other convoys...and also Ukraine force was mainly focused now to retreat and group in urban area,they are avoiding open confrotation..Ukraine air defense and airforce doesnt exist anymore as integrated system,they have some assets here and there but this is loast couse. Russians didnt introduce all of their force they bring to borders,and that is around 200k,with DNR,LNR they are advancing with 70% of deployed force..and they have a lot of reserve..But seems Russians are not still resolved some of their old flaws,organisation and logistic was near terrible...battalions are worst units to form tactical groups and invade country and that is what Russians have deployed,so called tactical battalion groups...they should organize 3 regional Armies with full organization and deployment,from corps,brigades..etc. But as someone mentioned,Putin is spy,he probably had in mind fast regime change not invasion(as they said),it will work but with more casulties