Gives guidance on responding to disaster, violence, or terrorism events using the Psychological First Aid intervention. This evidence-informed approach helps to assist children, adolescents, adults, and families in the aftermath of disaster and terrorism. The manual includes in-depth information about each of the eight core actions and accompanying handouts for adults, adolescents, parents and caregivers, and providers. This is the Spanish version of Psychological First Aid (PFA) Field Operations Guide: 2nd Edition.