Transcript for 'The Long Road Home'
. Finally America strong. Tonight we thank our veterans and their families who all know too well about the long road home. Reporter: The long road home tells the story of April 4th, 2004. Keep your eyes open boys. Reporter: The first cavalry division from ft. Hood. Guys see what I'm seeing? Where the hell is everyone? Reporter: 18 U.S. Soldiers on a peace-keeping mission. Suddenly ambushed. Ambush! Reporter: The battalion racing in to rescue them. The new nat geo series, her reporting on the ground. Eight Americans died that day. Covering policy or where were the wmds that we forgotten there was a war going on. No one had asked me those questions and I think for them and for their spouses just talking about that was healthy and helpful. Reporter: She wrote about our warriors and their families, what they were going through back home. Just kids. Reporter: 13 years later those 48 hours recreated on a set in Texas. Looks spot on doesn't it? Reporter: Eric, a 23-year-old army sergeant remembering when he sought shelter in a house. I've got vivid memories coming in through the door. Reporter: The American hero he was portraying and listen to what milltonburger says. The guilt is I didn't get shot and they did. That's it. Reporter: Martha has met so many families waiting with a hug. This widow. It's so hard. Reporter: With families onset and the actors looking to on nor them Martha with the names. I would like to read the names of the fallen. We will observe a moment of silence at the beginning of the whistle and a whistle will mark the end, thank you all. Reporter: An effort to remember our veterans and their families who sack identified, too. And you can watch the long road home Tuesday nights on the national geographic channel. I'm David Muir. We From Boston's new leader, this is the news at 7:00 P.M.
This transcript has been automatically generated and may not be 100% accurate.