Russia is almost certainly struggling with a crisis of combat medical provision, after suffering an average of around 400 casualties a day for 17 months.
The influx of military casualties has likely undermined the normal provision of some Russian civilian medical services, especially in border regions near Ukraine. It is likely that many dedicated military hospitals are being reserved for officer casualties.
As claimed by the head of the Kalashnikov company's combat medicine training division, it is likely that up to 50 per cent of Russian combat fatalities could have been prevented with proper first aid. Very slow casualty evacuation, combined with the inappropriate use of the crude in-service Russian combat tourniquet, is reportedly a leading cause of preventable fatalities and amputations.
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I think that's a quite clear indication of the tactic russia/putin is doing - playing by the numbers. Sending more troops and hoping for the best. No wonder they are recruiting people straight from work to field. Moves like that don't particularly raise motivation, but increase the change of mutiny.