The conflict profoundly affected the American troops who served there, as well as the nation’s culture and politics. But 50 years later, veterans say they see its mistakes being repeated.

April 30 marks 50 years since the fall of Saigon, the moment that officially ended the Vietnam War. Nearly 58,000 Americans lost their lives in the conflict, and many veterans say the pain of how they were treated upon returning home still lingers.