Are these brigade sized elements?
Can’t keep a high optempo indefinitely. Combat effectiveness will suffer.
Here is from a Finnish military watcher Petri Mäkelä.
https://twitter.com/pmakela1/status/1485191234369077250
#Russia: 200 military trains, with the average military train being 57 cars would mean that they are transporting 100-140 battalions worth of equipment, men and supplies to #Belarus.
To achieve this with the present deployments to the Ukrainian border, reserves are needed. 1/2
Russia deploying 250-300k men to its western borders, without counting western MD VDV assets that would bump up the numbers by another 30k men, is a force that is both expensive and a serious overmatch to Ukrainian frontline assets. 2/2