Mark D. Taylor, 41
While Taylor was at UC Davis, he followed the steps of his father -- who served in the Army National Guard for 36 years -- by joining ROTC. He earned his medical degree at George Washington University and later did a five-year surgery residency at UCI Medical Center. Before he left for Iraq, r he put a set of dog tags around his 6-year-old son Connor’s neck and told the boy, "Wear them until Daddy comes home."
Sources: Times research, Defense Department, iCasualties.org