"I can understand your point but after an injury like that, he probably doesn't remember."
I understand but at this point in time, don't you think he should have tried to find out who helped him. I would think so, even if not to thank them, it would probably improve the story he is selling.
According to his wife he has been back to Iraq to visit the soldiers with whom he was traveling at the time of his injury. That information was on Wikipedia.