I actually know a guy whose dad died in '14 and buried in Fort Snelling, MN. He was an Army Korea/Vietnam vet. Sergeant Major. His uniform had as much salad and stripes as the phony guy above, but it was real.
At one point in Korea, he was tossed into the dead truck along with a bunch of stiffs. But he was not dead, just frozen nearly to death. Took a long time to recover. Physically, anyway. Mentally, he was rock solid to the end. Later served in Vietnam.
The mentioned poster claimed to have been buried in the rubble of the Marine barracks in Beirut in the 1983 barracks bombing.
Problem with this is, nobody was pulled out alive after noon the same day.
This is documented.