airport attack. it was to honor the fallen. nbc news foreign correspondent ali vitali reports. >> reporter: the remains of u.s. service members killed in kabul arriving home to the united states in flag-draped cases. 13 in all. among them, 23-year-old marine sergeant nicole gee, one of two women killed on the front lines. days ago she shared this picture from the airport, cradling a baby, captioned, "i love my job." one of the last photos she'd post. the president himself, no strengther to grief and loss, at times bowed his head and closed his eyes. he and the first lady along with the secretary of defense, state and joint chiefs gathered with the families of the service members at dover air force base, somber for hours.