(Aging Untold)— Fifty years have passed since the end of the Vietnam War, but for countless veterans, the fight never truly ended. It’s a battle that has moved from the jungles of Southeast Asia to the quiet rooms of VA hospitals and the cold, sterile pages of government paperwork. For these men, the enemy is not a foreign army, but a silent, invisible poison that they believe has been coursing through their bodies for decades, leaving a trail of sickness and disease.