If, as happens in science-fiction movies, we could push a button to activate a shield between us and danger, there would be no need for the Terrorism and Disaster Branch (TDB) of the National Center for Child Traumatic Stress (NCCTS). But since there are no such shields, the National Child Traumatic Stress Network (NCTSN) is forming a nationwide web to help protect children in times of trauma, disaster, or terrorism.