Here is an operative data from experts of Information Resistance group.
According to experts and coordinator of Information Resistance group, currently Russian-terrorist troops have completed formation of 4 strike groups:
These groups consist of about 14-15 000 of Russian mercenaries and militants from Russian federation and 10-12 000 of fighters from local criminal gangs.
In addition, these strike groups are armed with:
There is an active process of rearrangement of rebels. Leaders of DNR and LNR with active assistance of Russian specialists conduct process of unification of gangs to create ‘linear units and sub-units’.
Currently this process is not successful due to extremely low level of discipline in the ranks of terrorists and their unwillingness to obey single commandment.
Source: Information Resistance group