https://streamable.com/j5u2wq
Watch this video on Streamable.
Mirror: https://files.catbox.moe/5kjva8.mp4
Source: https://t.me/WarArchive_ua
With zero training it kinda makes sense: You hold the stock of your gun to your shoulder for support. So the soldier might have thought it's the same for RPGs..
Or he thought he could get away from the front by injuring himself.