Gyeong Hong Jong, a North Korean special forces operative who was killed by Ukraine’s Special Operations Forces (SOF) operatives in Kursk Oblast, has left behind a diary that is now being gradually translated. His notes reveal that North Korea has sent elite fighters to Russia.
I’m reminded of Harry Patch
https://www.theguardian.com/commentisfree/2009/aug/01/first-world-war-harry-patch