Recent improvised explosive device (IED) and active shooter incidents reveal that some traditional practices of first responders need to be realigned and enhanced to improve survivability of victims and the safety of first responders caring for them. This multi-disciplinary edition translates evidence-based response strategies based on military experience in responding to and managing casualties from IED and/or active shooter incidents and from its significant investment in combat casualty care research into the civilian first responder environment. Table of Contents:Executive SummaryPurposeGeneral Information:Improvised Explosive DeviceActive ShooterTake an Active Role in Your Own Safety:ExplosionsActive Shooter IncidentFirst Responder for Improving Survivability in Improvised Explosive Device and/or Active Shooter IncidentsBackground:Defining First RespondersDefining the ThreatMilitary Lessons Learned and Civilian AdaptationImprovised Explosive Device IncidentsActive Shooter IncidentsHemorrhage ControlProtective EquipmentResponse and Incident ManagementResponder Guidelines:Hemorrhage ControlProtective EquipmentResponse and Incident ManagementSummaryThreat-based Scenarios:Large-scale Terrorist/insurgency AttackMedium-scale Terrorist/insurgency AttackMedium-scale Terrorist/insurgency AttackSmall Scale Terrorist/insurgency AttackInvoluntary Suicide BomberDiscovery/recovery of Homemade Explosives (Not an Attack)Active Shooter With Access Denial to First RespondersActive Shooter in a Public Commercial FacilityActive Shooter in an Open, Outdoor, Unbounded LocationActive Shooter in a Public Sports ComplexProvide First Aid After Improvised Explosive Device and/or Active Shooter IncidentsStop the Bleeding and Protect the WoundFirst Aid for Specific InjuriesList of Major Bombing Incidents in the United States 2007-2017List of Major Mass Shootings in the United States 2007-2017