the men from combat outpost keating who fought in the battle in eastern afghanistan in 2009, such as retired lieutenant andrew bunderman. >> it's just super hard to come to grips with the fact that it's -- maybe it isn't as bad as before, but it's certainly not going to be the nation maybe that we thought was going to be there when american forces left. >> reporter: he ran the tactical operations center during the battle, which i wrote about in my book "the outpost," that was turned into a movie. >> and it's going to be tough to watch how reality is, how hard the lives of the afghans are going to become in many areas. >> reporter: and while bunderman says he was not surprised to see the taliban's resurgence in afghanistan, he was disappointed by how the u.s. executed its