Massive losses in Russian infantry fighting vehicles and armored personnel carriers have been restoring to service for a long time. any of them, which were specialized variants of platforms specified as BMP or BTR, began to be converted into classical armored personnel carriers over time. An example of a unit that is liable for repairs and specified modifications is the 216. Repair Battalion. In the video below (from August) we can see that specified works are carried out, m.in, on RPR-4 artillery reconnaissance vehicles.