3 US Air Force, 3 US Air National Guard members were serving on the KC-135 that came down in an accident that authorities said wasn't caused by 'hostile fire or friendly fire' The Pentagon on Saturday released the identities of six US crew members killed during the crash of a refueling aircraft in western Iraq earlier this week, which authorities said was not caused by “hostile fire.” The KC-135 aerial refueling aircraft c... [4221 chars]