
| AAR | After Action Review |
| ABA | American Bus Association |
| AHRQ | Agency for Healthcare Research and Quality |
| APHIS | Animal and Plant Health Inspection Service |
| ARC | American Red Cross |
| ARS | Agricultural Research Service |
| ASD (HD) | Assistant Secretary of Defense, Homeland Defense |
| ATF | Bureau of Alcohol, Tobacco, Firearms and Explosives |
| ATF SRT | Bureau of Alcohol, Tobacco, Firearms and Explosives Special Response Team |
| AUSA | Assistant United States Attorney |
| BENS | Business Executives for National Security |
| BIA | Bureau of Indian Affairs |
| BLM | Bureau of Land Management |
| BRT | Business Round Table |
| C3I | Command, Control, Communications, Information |
| CDC | Centers for Disease Control and Prevention |
| CERT | Community Emergency Response Team |
| CIS | Catastrophic Incident Supplement |
| CLO | Chief Logistics Officer |
| CNGB | Chief of the National Guard Bureau |
| CONOPS | Concept of Operations |
| COOP | Continuity of Operations |
| CRWG | Hurricane Katrina Comprehensive Review Working Group |
| CSG | Counterterrorism Security Group |
| CST | Civil Support Team |
| BEA | Bureau of Economic Analysis |
| DART | Disaster Assistance Response Team |
| DHS | Department of Homeland Security |
| DMAT | Disaster Medical Assistance Team |
| DMORT | Disaster Mortuary Operational Response Team |
| DoD | Department of Defense |
| DOE | Department of Energy |
| DOEd | Department of Education |
| DOI | Department of the Interior |
| DOJ | Department of Justice |
| DOL | Department of Labor |
| DOL/OSHA | Department of Labor Occupational Safety and Health Administration |
| DOS | Department of State |
| DOT | Department of Transportation |
| DPMU | Disaster Portable Morgue Unit |
| DRC | Disaster Recovery Center |
| DRG | Disaster Response Group |
| DUSM | Deputy United States Marshal |
| EAS | Emergency Alert System |
| EBS | Emergency Broadcast System |
| EHR | Electronic Health Records |
| EOC | Emergency Operations Center |
| EPA | Environmental Protection Agency |
| EMAC | Emergency Management Assistance Compact |
| EMS | Emergency Medical Services |
| ERT | Emergency Response Team |
| ERT-A | Emergency Response Team-Advanced |
| ERT-N | Emergency Response Team-National |
| ESF | Emergency Support Function |
| FAA | Federal Aviation Administration |
| FBI | Federal Bureau of Investigation |
| FEMA | Federal Emergency Management Agency |
| FCO | Federal Coordinating Officer |
| FNS | Food and Nutrition Service |
| FPS | Federal Protection Service |
| FRP | Federal Response Plan |
| FSA | Farm Service Agency |
| HHS | Department of Health and Human Services |
| HHS SERT | Health and Human Services Secretarys Emergency Response Teams |
| HLT | Hurricane Liaison Team |
| HSC | Homeland Security Council |
| HSOC | Homeland Security Operations Center |
| HSPD | Homeland Security Presidential Directive |
| HUD | Department of Housing and Urban Development |
| ICE | Immigration and Customs Enforcement |
| ICS | Incident Command System |
| IIMG | Interagency Incident Management Group |
| IMT | Incident Management Team |
| INS | Incident of National Significance |
| IRA | Immediate Response Authority |
| IRS | Internal Revenue Services |
| JFHQ-State | Joint Force Headquarters-State |
| JFO | Joint Field Office |
| JIC | Joint Information Center |
| JTF-Katrina | Joint Task Force-Katrina |
| JTF-State | Joint Task Force-State |
| LECC | Law Enforcement Coordination Center |
| LSU | Louisiana State University |
| LTG | Lieutenant General |
| MERS | Mobile Emergency Response System |
| MOB center | Mobilization center |
| MRC | Medical Reserve Corps |
| MRE | Meals-Ready-To-Eat |
| NASAR | National Association of Search and Rescue |
| NCC | National Coordinating Center |
| NCS | National Communications System |
| NDMS | National Disaster Medical System |
| NEEP | National Exercise and Evaluation Program |
| NEMA | National Emergency Management Association |
| NEP | National Exercise Program |
| NGA | National Geospatial Intelligence Agency |
| NGB | National Guard Bureau |
| NGO | Non-Governmental Organization |
| NHC | National Hurricane Center |
| NHSU | National Homeland Security University |
| NICCL | National Incident Communications Conference Line |
| NIFC | National Interagency Fire Center |
| NIH | National Institutes of Health |
| NIMS | National Incident Management System |
| NIPP | National Infrastructure Protection Plan |
| NISAC | National Infrastructure Simulation & Analysis Center |
| NOAA | National Oceanic and Atmospheric Administration |
| NOC | National Operations Center |
| NOFD | New Orleans Fire Department |
| NOPD | New Orleans Police Department |
| NPG | National Preparedness Goal |
| NPS | National Park Service |
| NRCC | National Response Coordination Center |
| NRP | National Response Plan |
| NRP-CIS | National Response Plan Catastrophic Incident Supplement |
| NSA | National Security Agency |
| NSC | National Security Council |
| NS/EP | National Security and Emergency Preparedness |
| NTIA | National Telecommunications and Information Administration |
| NVOAD | National Volunteer Organizations Active in Disaster |
| NWR | NOAA Weather Radio |
| NWS | National Weather Services |
| OFDA | Office of Foreign Disaster Assistance |
| OMB | Office of Management and Budget |
| OSD-HD | Office of the Secretary of Defense for Homeland Defense |
| OSM | Office of Surface Mining |
| OSTP | Office of Science and Technology Policy |
| PAO | Public Affairs Office |
| PAO | Public Affairs Official |
| PFO | Principal Federal Officer |
| PHS | Public Health Service |
| RAMP | Remedial Action Management Program |
| RRCC | Regional Response Coordination Center |
| RSOI | Reception, Staging, Onward movement, and Integration |
| SAR | Search and Rescue |
| SCRAG | Senior Civilian Representative of the Attorney General |
| SES | Senior Executive Service |
| SFLEO | Senior Federal Law Enforcement Official |
| SIMCEN | National Exercise Simulation Center |
| SLO | State Liaison Officer |
| SNS | Strategic National Stockpile |
| SOE | Senior Official Exercise |
| SOP | Standard Operational Procedures |
| SSA | Social Security Administration |
| STA | Special Temporary Authority |
| SWAT | Special Weapons and Training |
| TAG | Adjutant General |
| TCC | Traffic Control Center |
| TCL | Target Capabilities List |
| TELL | Office of Training, Exercises, and Lessons Learned |
| TPC | Tropical Prediction Center |
| TSA | Transportation Security Administration |
| USACE | United States Army Corps of Engineers |
| USAID | United States Agency for International Development |
| USCG | United States Coast Guard |
| USDA | United States Department of Agriculture |
| USFS | United States Forest Service |
| USJFCOM | United States Joint Forces Command |
| USMS | Unites States Marshals Service |
| USNORTHCOM | United States Northern Command |
| USPACOM | United States Pacific Command |
| USSOUTHCOM | United States Southern Command |
| USSTRATCOM | United States Strategic Command |
| USTRANSCOM | United States Transportation Command |
| US&R | Urban Search and Rescue |
| VOAD | Volunteer Organizations Active in a Disaster |
| VA | Department of Veteran Affairs |
| VADM | Vice Admiral |