Maybe at this time they are having trouble recruiting but just like Russia US has large prison population that may like the offer thar Russian prisoners got: 6 months on the frontlines, if you survive you are free and well paid.
Just today Iran backed militants released a video of drones takings out US helicopters and radars, very similar to what we are used to seeing in Ukraine.
Is US public really ready to support such a thing and endure hardship like the Russians for ideological causes?
It’s fascinating, maybe Trump is right- maybe his supporters are literally tired of winning and want attrition?