National Disaster Medical System
The National Disaster Medical System (NDMS) is a federally coordinated disaster medical system and partnership of the United States Departments of Health and Human Services (HHS), Homeland Security (DHS), Defense (DOD), and Veterans Affairs (VA). The purpose of the NDMS is to support State, local, Tribal and Territorial authorities following disasters and emergencies by supplementing health and medical systems and response capabilities.
Source: Wikipedia — National Disaster Medical System (CC BY-SA 4.0)