Daniel L. Hansen, 24
Hansen, 24, joined the Marines just days high school graduation. He and Matthew left for boot camp in San Diego one week apart, with Daniel heading off first. His military ties ran deep. His father was in the Army, as is a younger sister. Both of his grandfathers served in the military and his mother, Sheryll, worked in a military shipyard she was pregnant with him and his twin brother.
Sources: Times research, Defense Department, iCasualties.org