We all know the OPFOR surrogate vehicles from NTC and JMRC. With the upcoming developments of the other side, the OPFOR sytems have to match.
2S6

https://www.dvidshub.net/image/3446215/blackhorse-attacks

100mm (?) AT gun

https://www.dvidshub.net/image/3449529/donovian-defenders

Only a matter of time when we see a Pantsir system based HEMTT.