I have two friends, one who was there, one whose father was there. It would be unimaginable otherwise.
A web buddy was a serviceman, and his own father served in Korea (don't recall what branch of the service for either of them). During the retreat of his dad's unit, they encountered a wire barrier that had been laid down to impede the Chinese advance. His dad tossed himself into it, and the rest of his unit clambered up and over, then they pulled him free, bleeding all over. I think he'd also been wounded earlier in the day, and figured he wasn't going to make the whole trip anyway. He did.
My Dad was one of the USMC Frozen Few in Baker's Bandits; he received a VHS tape from the VA hospital about 10 years ago.
The upshot was that if you were at the Chosin reservoir, you were eligible for disability due to frostbite. All you had to do was bring the video to the VA hospital.
He had 100% disablity which wiped out his retirement. Many of the Korean vets were already dead (and thus ineligible!)
My Dad died a few years ago.
Korean vets were traeted badly.