The original sentence is: veterans don't die, they just fade away.
Veterans never die, they just fade away "or" veterans never die, they just fade away quietly ".
He was called a generation veteran by American nationals, but he was finally dismissed because the times no longer needed him. Veterans don't die, and times will leave veterans behind. The evolution of the times will make people forget the scars on veterans and only see glory.
However, veterans are eternal because they have scars on their bodies. Not a metal card.
Veterans exist for others, but others forget the meaning of veterans' existence, and veterans die.
To simplify the meaning of this sentence, it is roughly: "I will stay in yesterday forever."