Herrera's daughter Tristan at the side of her father's casket. After serving in Iraq a few years ago, Herrera departed for his Afghanistan tour in May. He left behind his wife, Traci; daughter, Clarissa, 16; step-daughter, Tristan, 20 - all of whom live in Fort Lewis, Wash., where Herrera was stationed. Herrera's sons Matt, 22, and Mark, 20, live in Salt Lake City. (Leah Hogsten/The Salt Lake Tribune)