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GovSpeak: A Guide to U.S. Government Acronyms & Abbreviations: A

The most current, extensive and fully-linked listing of U.S. government office, program, resource, and other acronyms.

A

18F 1800 F Street (unable to verify 3/25)
21CCF 21st Century Customs Framework
21CW Office of the 21st Century Workforce (unable to verify)
21MP 21st Century Museum Professionals Program
3CT Climate Change Communication Toolkit
3DEP 3D Elevation Program
3DHP 3D National Hydrography Program
3DMAGGS Three-Dimensional Multi-block Advanced Grid Generation System
3DNTM 3D National Topography Model
3PK9-C Third-Party Canine-Cargo program
3P-RD Physician and Physician Practice Research Database
3Ts Training, Testing, and Taking Action
7-SEAS Seven SouthEast Asian Studies (unable to verify 3/25)
A2e Atmosphere to Electrons
A&LS Accessibility & Language Services Division
AAA Archives of American Art
AAB Agency Assistance Branch
AABS Annual Arts Basic Survey (unable to verify 10/20)
AAD Access to Archival Databases
AADAP Aquatic Animal Drug Approval Partnership
AAEP Adaptation Action and Evaluation Plan
AAG Assistant Attorney General (select office of interest to locate AAG)
AAHC Museum Grants for African American History and Culture
AAI Argonne Accelerator Institute
AAM Advanced Air Mobility | Office of Aerospace Medicine
AAO Administrative Appeals Office
AAP Accelerated and Advance Payment | Advance Acquisition Plan (unable to verify 10/20)
AAPC Accounting and Auditing Policy Committee (changed to ASIC)
AAPI Initiative on Asian Americans and Pacific Islanders (unable to verify 2/21)
AAPs Affirmative Action Programs (unable to verify 2/25)
AAQTF Agricultural Air Quality Task Force
AARO All-domain Anomaly Resolution Office
AAS Office of Airport Safety and Standards
AAVP Advanced Air Vehicles Program
AAWQ Animal Agriculture and Water Quality subcommittee
AAWU Alaska Aviation Weather Unit
ABA Acquisitions and Bibliographic Access Directorate
ABADRU Arthropod-borne Animal Disease Research Unit
ABAWDS Able-Bodied Adults Without Dependents
ABC At Risk Individuals, Behavioral Health, and Community Resilience (unable to verify 4/23)
ABCC Advanced Biomedical Computing Center (changed to ABCS)
ABCD Adolescent Brain Cognitive Development Study
ABCs Active Bacterial Core surveillance
ABCS Advanced Biomedical Computational Science
ABES Adolescent Behaviors and Experiences Survey
ABI Automated Broker Interface
ABIC Agriculture Business Innovation Center
ABIS Automated Biometric Identification System
ABL Applied Bioscience Laboratory
ABLES Adult Blood Lead Epidemiology & Surveillance
ABMC American Battle Monuments Commission
ABML Asphalt Binder and Mixtures Laboratory (unable to verify 3/25)
ABOR AbilityOne Representative
ABPP American Battlefield Protection Program | Authorized Bulk Purchase Program
ABS Annual Business Survey
AC Accessible Communications Program | Animal Care
AC4 Atmospheric Chemistry, Carbon Cycle, & Climate
ACA Affordable Care Act | Atrocity Crimes Advisory Group (unable to verify 2/25)
ACAS Air Cargo Advance Screening
ACBFR Advisory Committee on Beginning Farmers and Ranchers
ACBS Asthma Call-back Survey
ACBTSA Advisory Committee on Blood and Tissue Safety and Availability
ACC American Climate Corps (unable to verify 2/25) | Assistance to Coal Communities
ACCE Airborne Cloud Computing Environment (unable to verify 2/21)
ACCESS Advancing Collaborative Connections for Earth System Science | Advancing Communities through Credit, Education, Stability and Support | Argonne Collaborative Center for Energy Storage Science
ACCLPP Advisory Committee on Childhood Lead Poisoning Prevention
ACCP Atmospheric Composition & Chemical Processes
ACCSH Advisory Committee on Construction Safety and Health
ACCV Advisory Commission on Childhood Vaccines
ACD Advanced Counterfeit Deterrence | Advisory Committee to the Director | Applied Cybersecurity Division
ACDBE Airport Concession Disadvantaged Business Enterprise
ACDDE Advisory Committee on Diversity and Digital Empowerment (changed to CEDC)
ACDEB Advisory Committee on Data for Evidence Building
A.C.E. Accuracy and Coverage Evaluation
ACE Academic Center of Excellence (changed to YVPCs) | Adjudication, Compliance, and Equity Division | Advanced Composition Explorer | Adverse Childhood Experiences | Aerosols, Clouds, Ecosystems (unable to verify 5/20) | Affordable Clean Energy | Air, Climate, and Energy Program | America's Children and the Environment | Americas Competitiveness Exchange | Anti-Monopoly and Collusion Enforcement Section | Assess Costs Everywhere (unable to verify 2/25) | Assessment of Chemical Exposures Program | Automated Commercial Environment
ACEC Areas of Critical Environmental Concern
ACE-CH Alliance for Community Engagement on Climate and Health (unable to verify 2/25)
ACEP Agricultural Conservation Easement Program
ACES Active Community Environments Initiative (unable to verify) | Annual Capital Expenditures Survey
ACESD Atlantic Coastal Environmental Sciences Division
ACET Automated Cybersecurity Evaluation Toolbox
ACF Administration for Children and Families | Aerial Cable Facility | Analytical Control Facility
ACFR Administrative Committee of the Federal Register
ACFRC Advisory Committee on Family Residential Centers (unable to verify 2/21)
ACH Automated Clearing House | Automated Clearinghouse
ACHP Advisory Council on Historic Preservation
ACI Advanced Cyberinfrastructure (changed to OAC)
ACIP Advisory Committee on Immunization Practices
ACIR Agricultural Commodity Import Requirements
ACIS Animal Care Information System (unavailable as of 8/16) | Automated Case Information System
ACL Administration for Community Living | Analytical Chemistry Laboratory (unable to verify 12/17)
ACM$ Award Cash Management $ervice
ACMAP Atmospheric Composition Modeling and Analysis Program
ACMD Applied and Computational Mathematics Division | Applied Chemicals and Materials Division
ACME Advanced Combustion via Microgravity Experiments
ACMF Advisory Committee on Minority Farmers
ACMH Advisory Committee on Minority Health
ACMUI Advisory Committee on the Medical Uses of Isotopes
ACNS Advisory Committee for Nuclear Security
ACO Aircraft Certification Office (changed to Certification Branches)
ACO REACH Accountable Care Organization Realizing Equity, Access, and Community Health
ACORN Accelerator Controls Operations Research Network
ACOSS Animal Contact Outbreak Surveillance System
ACP Affordable Connectivity Program
ACPAC Aviation Consumer Protection Advisory Committee
ACPD Advisory Commission on Public Diplomacy | Aviation Consumer Protection Division
ACPF Agricultural Conservation Planning Framework
AcqNet Acquisition Central
ACRES Assessment, Cleanup and Redevelopment Exchange System
ACRGP Airport Coronavirus Response Grant Program
ACRP Airport Cooperative Research Program
ACRR Annular Core Research Reactor facility
ACRS Advisory Committee on Reactor Safeguards | Air Quality and Community Health Research Subcommittee
ACRSI Acreage Crop Reporting Streamlining Initiative
ACS American Community Survey | Automated Collection System | Office of American Citizens Services and Crisis Management (unable to verify 6/20)
ACS-ED American Community Survey Education Tabulation
ACSFA Advisory Committee on Student Financial Assistance (defunct)
ACSL Adaptive Cropping Systems Laboratory
ACSNCA Advisory Committee for the Sustained National Climate Assessment (also, SNCAFAC; defunct 8/17)
ACT-America Atmospheric Carbon and Transport - America
ACTION II Accelerating Change and Transformation in Organizations and Networks II
ACTIV Accelerating COVID-19 Therapeutic Interventions and Vaccines (page archived 1/25)
ACTIVATE Aerosol Cloud meTeorology Interactions oVer the western ATlantic Experiment
ACTIV TRACE ACTIV Tracking Resistance and Coronavirus Evolution (page archived 1/25)
ACToR Aggregated Computational Toxicology Online Resource (retired)
ACTR Air Travel Consumer Reports
ACTVS Automated Cryptographic Validation Testing System
ACU Animal Care and Use (changed to OACU)
ACUS Administrative Conference of the United States
ACVFA Advisory Committee On Voluntary Foreign Aid (unable to verify 2/25)
ACVP AIDS and Cancer Virus Program
ACWI Advisory Committee on Water Information (inactive as of 12/19)
ACWS Advisory Committee for Women's Services
ACWV Advisory Committee on Women Veterans
ACYF Administration on Children, Youth, and Families
AD Airworthiness Directive | Auctions Division
ADA Americans with Disabilities Act (Text of ADA legislation)
ADAC Arctic Domain Awareness Center
ADAC ARCTIC Arctic Domain Awareness Center – Addressing Rapid Changes through Technology, Innovation and Collaboration
ADAMS Agencywide Documents Access and Management System
ADAPT ADvanced Analysis for Precision cancer Therapy
ADAT Advanced Data Access Tool
ADB Assimilation Development Branch (unable to verify 11/23)
ADC Program Against Digital Counterfeiting of Currency (changed to ACD)
ADCB Accelerated Disease Control Branch
AD/CVD Antidumping and Countervailing Duties
ADD Administration on Developmental Disabilities (changed to AIDD)
ADDM Autism and Developmental Disabilities Monitoring Network
ADDS Aviation Digital Data Service
ADEAR Alzheimer's Disease Education and Referral Center
ADEPP Aging and Disability Evidence-Based Programs and Practices
ADF African Development Foundation
ADHS Appalachian Development Highway System
ADI Applicability Determination Index
ADIOS Automated Data Inquiry for Oil Spills
ADIP Airport Data and Information Portal
ADL Accelerated Discovery Laboratory | Advanced Distributed Learning
ADMA Associate Director for Military Affairs (unable to verify)
ADMG Airborne Data Management Group
ADMS Advanced Distribution Management System Program (unable to verify 9/24)
A/DOES Domestic Operations and Emergency Services
ADOPT Automotive Deployment Options Projection Tool
ADPI Alzheimer’s Disease Programs Initiative
ADR Interagency Alternative Dispute Resolution Working Group (unable to verify 3/25)
ADRCs Aging and Disability Resource Centers
ADRO Alternative Dispute Resolution Office
ADS Astrophysics Data System | Automated Directives System (unable to verify 2/25) | Bureau of Arms Control, Deterrence, and Stability
ADS-B Automatic Dependent Surveillance-Broadcast
AdSci Adaptation Sciences Program
ADTF Accelerator Development & Test Facility
ADVANce Accelerating the Development of Veterinary and Animal Needs
AEAP Antiterrorism and Emergency Assistance Program
AED Aircraft Evaluation Division
AEDI Appalachia Economic Development Initiative
AEDT Aviation Environmental Design Tool
AEED Atmospheric, Earth, and Energy Division
AEFLA Adult Education and Family Literacy Act
AEG Aircraft Evaluation Groups (changed to AED)
AEGL Acute Exposure Guideline Levels Program
AEI Alliance for Economic Inclusion
AEL Authorized Equipment List
AEO Annual Energy Outlook | Applied Economics Office | Arctic Energy Office
AEP Annual Evaluation Plan | Public-Private Analytic Exchange Program
AER Annual Energy Review
AERC Agriculture Economics and Rural Communities
AEROMMA Atmospheric Emissions and Reactions Observed from Megacities to Marine Areas
AES Advanced Exploration Systems (unable to verify 10/23) | APS Engineering Support Division | Assessment Evaluation and Standardization Program | Automated Export System
AESC Arctic Executive Steering Committee (unable to verify 2/25)
AESMD Atmospheric and Environmental Systems Modeling Division
AESTIR Automated Export System Trade Interface Requirement
AET Advanced Energy Technologies directorate
AETC Aerosciences Evaluation and Test Capabilities
AF Bureau of African Affairs
AFC American Folklife Center
AFCARS Adoption and Foster Care Reporting and Analysis System
AFCP Ambassadors Fund for Cultural Preservation
AFDC Aid to Families with Dependent Children (changed to TANF) | Alternative Fuels Data Center
AFF American FactFinder (replaced by data.census.gov) | Assets Forfeiture Fund | Automated Flight Following
AFFH Affirmatively Furthering Fair Housing (unable to verify 1/25)
AFFH-T Affirmatively Furthering Fair Housing Data and Mapping Tool
AFG Assistance to Firefighters Grant Program
AFI Analytical Framework for Intelligence | Assets for Independence
AFLEET Alternative Fuel Life-Cycle Environmental and Economic Transportation
AFM Administrative & Financial Management
AFMD Acquisition and Facilities Management Division
AFMER Annual Firearms Manufacturers And Export Report
AFMLS Asset Forfeiture and Money Laundering Section (changed to MLARS)
AFMS Asset Forfeiture Management Staff
AFMSS Automated Fluid Minerals Support System
AFP Asset Forfeiture Program
AFPS American Forces Press Service (merged into DoD News)
AFRH Armed Forces Retirement Home
AFRI Agriculture and Food Research Initiative
AFRPS Animal Feed Regulatory Program Standards
AFS Air Facility System (unable to verify 2/16) | Armed Forces Sports
AFSC Alaska Fisheries Science Center
AFSIC Alternative Farming Systems Information Center
AFSP Alien Flight Student Program (changed to FTSP) | Annual Filing Season Program
AFSS Animal Feed Safety System
AFUE Aerial Firefighting Use and Effectiveness
AG Attorney General of the United States
AG2PI Agricultural Genome to Phenome Initiative
A/GA Global Acquisition
A/GA/AP Office of Acquisitions Policy
A/GA/AQM Office of Acquisitions Management
AGARDA Agriculture Advanced Research and Development Authority
AGDC Alaska Geospatial Data Clearinghouse (discontinued)
AgFF Agriculture, Forestry, and Fishing Program
AGGI Annual Greenhouse Gas Index
AGID AGing, Independence, and Disability Program Data Portal (changed from AGing Integrated Database 11/19)
AGIL Animal Genomics and Improvement Laboratory
AGILE Advanced Graphic Intelligence Logical Computing Environment | Autonomous Grids – Identification, Learning, and Estimation
AgMRC Agricultural Marketing Resource Center
AGNPS AGricultural Non-Point Source Pollution Model (unable to verify 10/22)
AGO Acquisition and Grants Office, NOAA  | America's Great Outdoors Initiative (unable to verify 9/15)
AGRICOLA Agricultural OnLine Access
AGS Division of Atmospheric and Geospace Sciences
AgVets Enhancing Agricultural Opportunities for Military Veterans Program
AGWA Automated Geospatial Watershed Assessment
AHAR Annual Homeless Assessment Report
AHAW America's Heroes at Work (unable to verify 2/19)
AHCaH Acute Hospital Care at Home
AHCF Auxiliary Hot Cell Facility
AHCPR Agency for Health Care Policy and Research (changed to AHRQ)
AHCY Assistance for Homeless Children and Youth (unable to verify 9/24)
AHDR Animal Health and Disease Research Capacity Program
AHEAD America’s HIV Epidemic Analysis Dashboard
AHEC Area Health Education Centers
AHED Astrobiology Habitable Environments Database
AHERU Agroclimate and Hydraulic Engineering Research Unit
AHHS American Healthy Homes Survey (unable to verify 6/23)
AHMR Abandoned Hardrock Mine Reclamation
AHOBPR Airborne Hazards and Open Burn Pit Registry
AHPP Alternative Housing Pilot Program (unable to verify 8/20)
AHPS Advanced Hydrologic Prediction Service
AHRC Advanced Housing Research Center
AHRF Area Health Resource Files
AHRQ Agency for Healthcare Research and Quality
AHS American Housing Survey
AHSSD Affordable Housing and Supportive Services Demonstration
AI National Artificial Intelligence Initiative (unable to verify 2/25)
AI4IX Artificial Intelligence for Interconnection program
AIA Agriculture Innovation Agenda (unable to verify 2/25)
AIAC Artificial Intelligence Advancement Council
AIAW Adolescent Immunization Action Week
AIB Actuarial Information Browser
AIBC AI-Bioscience Collaborative (unable to verify 2/25)
AICC Alaska Interagency Coordination Center
AID Agency for International Development (unable to verify 2/25)
AIDD Administration on Intellectual and Developmental Disabilities
AIDS Acquired Immune Deficiency Syndrome
AIEO American Indian Environmental Office
AIES Annual Integrated Economic Survey
AILO American Indian Liaison Office (changed to ONAA)
AIM Aeronomy of Ice in the Mesosphere | Assessment, Inventory, and Monitoring
AIP Airport Improvement Program | Animal Improvement Program | Arctic Investigations Program
AIPD Artificial Intelligence Patent Dataset
AIR Aircraft Certification Service
AirMSPI Airborne Multi-angle SpectroPolarimeter Imager
AIRR American Indian Records Repository
AIRS Aerometric Information Retrieval System (changed to AFS)
AIS Automatic Identification System (Coast Guard) | Automatic Identification System (MarineCadastre)
AISC U.S. AI Safety Institute Consortium
AISI U.S. Artificial Intelligence Safety Institute
AISIC Artificial Intelligence Safety Institute Consortium
AITC Agriculture in the Classroom Program
AITO Artificial Intelligence & Technology Office (changed to Office of Critical and Emerging Technology, then Office of Critical and Emerging Technologies)
AIVRS American Indian Vocational Rehabilitation Services
AIVRS-TAC American Indian Vocational Rehabilitation Services Training and Technical Assistance Center (changed to AIVRTTAC)
AIVRTTAC American Indian Vocational Rehabilitation Training and Technical Assistance Center
AJAX Alpha Jet Atmospheric eXperiment
AK CASC Alaska Climate Adaptation Science Center
AK CSC Alaska Climate Science Center (changed to AK CASC)
AKOATS Alaska Online Aquatic Temperature Site (unable to verify 2/25)
AL Aerosol Laboratory (unable to verify 7/23)
ALAC Agricultural Labor Affairs Coordinator
ALCC Arctic Landscape Conservation Cooperative (unable to verify 12/21)
ALCF Argonne Leadership Computing Facility
ALCP Assisted Living Conversion Program
ALEX Argonne Liquid Metal Experiment Facility
ALFABET A machine-Learning derived, Fast, Accurate Bond dissociation Enthalpy Tool
ALFD Advertising, Labeling and Formulation Division
ALFIN Annual Survey of State and Local Government Finances
ALFRED Archival Federal Reserve Economic Data
ALHC Museum Grants for American Latino History and Culture
ALIC Archives Library Information Center
ALL Adult Literacy and Lifeskills Survey
A/LM Office of Logistics Management (changed to Global Operations 1/25)
ALMIFI American Latino Museum Internship and Fellowship Initiative
ALOHA Areal Locations of Hazardous Atmospheres
ALP Accelerating Local Potential (unable to verify 2/25) | Accredited Laboratory Program
ALS Academic Libraries Survey | Advanced Light Source
ALSDA Ames Life Sciences Data Archive
ALS-U Advanced Light Source Upgrade
ALTBIB Alternatives to Animal Testing Bibliography
ALTRIOS Advanced Locomotive Technology and Rail Infrastructure Optimization System
ALWRI Aldo Leopold Wilderness Research Institute
AMA Agricultural Management Assistance program
AMAGIT Advanced Mobility & Grid Integration Technology
AMB Administrative Management Branch | Assimilation and Modeling Branch (unable to verify 8/17)
AMBER America’s Missing: Broadcast Emergency Response
AMCD Air Methods and Characterization Division
AMCG Office of Acquisitions Management, Contracts and Grants (unable to verify 1/22)
AMD Advanced Molecular Detection
AMDAR Aircraft Meteorological Data Reports
AME Aviation Medical Examiner
AMEC Alaska Mapping Executive Committee
AMED African and Middle Eastern Division
AMES Ames Laboratory
AMEWS Advanced Materials for Energy-Water Systems Center
AMH America's Marine Highway Program
AMHR Abandoned Hardrock Mine Reclamation Program
AMHWG Arctic Mental Health Working Group (defunct as of 2018)
AMIS Awards Management Information System
AMJP Aviation Manufacturing Jobs Protection Program
AML Abandoned Mine Lands | Abandoned Mineral Lands | Advanced Manufacturing Laboratory
AMLER Abandoned Mine Land Economic Revitalization Program
AMM Advanced Materials and Manufacturing
AMMOS Advanced Multi-Mission Operations System
AMMTO Advanced Materials and Manufacturing Technologies Office
AMNPO Advanced Manufacturing National Program Office
AMO Advanced Manufacturing Office (split 10/22 into AMMTO and IEDO) | Air and Marine Operations
AMP Accelerating Medicines Partnership | Advancing Markets for Producers
AMPD Air Markets Program Data (changed to CAMPD)
AMPL Advanced Manufacturing Processing Lab
AMPM USDA Automated Multiple-Pass Method
AMP® SCZ Accelerating Medicines Partnership program for Schizophrenia
AMQP Animal Model Qualification Program
AMR Antimicrobial Resistance programs (unable to verify 3/25)
AMS Agricultural Marketing Service
AMSO Ames Site Office
AMT Alternative Minimum Tax
AMTech Advanced Manufacturing Technology Consortia
AMTIC Ambient Monitoring Technology Information Center
AMTL Advanced Mobility Technology Laboratory
Amtrak National Railroad Passenger Corporation
ANA Administration for Native Americans
ANAWG APHIS Native American Working Group
ANCHOR Automated NonContact Hydrologic Observation in Rivers
ANDI Accessible Name & Description Inspector
ANES Advanced Nuclear Energy System (unable to verify 6/23)
ANL Argonne National Laboratory
ANNH Alaska Native-Serving and Native Hawaiian-Serving Institutions Education Competitive Grants Program
ANS Aquatic Nuisance Species
ANSP Ammonium Nitrate Security Program
ANSS Advanced National Seismic System
ANSTF Aquatic Nuisance Species Task Force
ANTD Advanced Network Technologies Division (unable to verify 4/22)
AO Adaptation Organon for Resilient Natural Resources | Administrative Office of U.S. Courts | Agricultural Outlook (discontinued ) | Arctic Oscillation
AOA Administration on Aging
AOC Architect of the Capitol
AoD Administration on Disabilities | Aviation and Operations Division (unable to verify 1/25)
AOIMSG Airborne Object Identification and Management Synchronization Group
AOML Atlantic Oceanographic and Meteorological Laboratory
AOP-DB Adverse Outcome Pathway Database
A/OPE Office of the Procurement Executive (changed to Global Acquisition 1/25)
A/OPR/LS Office of Language Services
AOSP Airspace Operations and Safety Program
AOSSP Aircraft Operator Standard Security Program
AOT Accelerator Operations and Technology
AOTUS Archivist of the United States
AP U.S. Additional Protocol
APAC Astrophysics Advisory Committee
APAD Advanced Planning and Analysis Division (unable to verify 6/15)
APB CJIS Advisory Policy Board
APC Automated Passport Control
APCCA Advancing Protection and Care for Children in Adversity (unable to verify 2/25)
APCD All Payer Claims Databases
APCF Advanced Protein Characterization Facility
APD Advance Planning Document | Tribal Advance Planning Document
APEC Asia-Pacific Economic Cooperation (unable to verify 2/21)
APECx Antigens Predicted for Broad Viral Efficacy through Computational Experimentation
APEX Advanced Power Electronic Conversion Systems
APFO Aerial Photography Field Office (changed to GEO)
APG Agency Priority Goal (unable to verify 2/25)
APH American Printing House for the Blind
APHIS Animal and Plant Health Inspection Service
APIS Advance Passenger Information System | Alcohol Policy Information System
APLAA Office of Asian Pacific, Latin American, and African Analysis (unable to verify 1/17)
APLIC Alaska Public Lands Information Centers
APNSA Assistant to the President for National Security Affairs (unable to verify 2/25)
APOD Astronomy Picture of the Day
APP Accelerating Promising Practices for Small and Rural Libraries Program | Adolescent Pregnancy Prevention | Aerosol Properties & Processes program | Apex Predators Program | Appellate Section | Office of Airport Planning and Programming
AppEEARS Application for Extracting and Exploring Analysis Ready Samples
APPEL Academy of Program/Project & Engineering Leadership
AppFT Patent Application Full-Text and Image Database (replaced by Patent Public Search)
APPLETREE ATSDR’s Partnership to Promote Local Efforts to Reduce Environmental Exposure
APPRIL Active Pesticide Product Registration Informational Listing
APPS Active Partners Performance System
APRHB Air Pollution and Respiratory Health Branch (unable to verify 1/20)
A/PRI Planning, Resources, and Innovation
APS Adult Protective Services | Advanced Photon Source
APS-TD Applied Physics and Superconducting Technology Division
APT Alcohol Policy Taxonomy | Antecedent Precipitation Tool
APTF Advanced Placement Test Fee (unable to verify 9/24)
APTI Air Pollution Training Institute (decommissioned and replaced by AirKnowledge)
AQA Air Quality Analysis
AQI Agricultural Quarantine Inspection | Air Quality Index
AQIM Agricultural Quarantine Inspection Monitoring
AQIP Air Quality Implementation Plans
AQPI Advanced Quantitative Precipitation Information
AQS Air Quality System
AR & PSP Antimicrobial Resistance & Patient Safety Portal
ARA National Engagement and Regional Administration
ARB Administrative Review Board | Animal Resources Branch (replaced by CMB)
ARC Accelerating Rare disease Cures Program | Acquisition Regulation Comparator | Administrative Resource Center | Agriculture Risk Coverage | Appalachian Regional Commission | Applied Research Center (unable to verify 10/21) | Arbovirus Reference Collection | Arctic Report Card | Mental Health and Aviation Medical Clearances Rulemaking Committee
ARCIS Archives and Records Centers Information System
ARCOS Automation of Reports and Consolidated Orders System
ARC/PLC Agriculture Risk Coverage/Price Loss Coverage Program
ARCSIX Arctic Radiation-Cloud-Aerosol-Surface Interaction EXperiment
ARCTAS Arctic Research of the Composition of the Troposphere from Aircraft and Satellites
ARCTIC U.S. Arctic Research Commission (also, USARC)
ARCWEST Arctic Whale Ecology Study
ARC-X Climate Change Adaptation Resource Center
ARD Air Resources Division | Annual Report Dashboards | Arrest-Related Deaths
ARDAP Accelerator Research & Development and Production
ARDI Alcohol-Related Disease Impact
ARDIS Automated Radiation Portal Monitor Data Integration System
ARDP Advanced Reactor Demonstration Program
AREP Amazon Regional Environment Program (unable to verify 2/25)
AREWG Arctic Renewable Energy Working Group
ARIA Advanced Rapid Imaging and Analysis | Assessing Risks and Impacts of AI | Automated Research Impact Assessment
ARIEL Atmospheric Remote-sensing Infrared Exoplanet Large-survey
ARIES Advanced Research on Integrated Energy Systems | Automated Real-time Identity Exchange System
ARIS Air Resources Information System (changed to Air Quality in Parks)
ARISE Appalachian Regional Initiative for Stronger Economies
ARK Astrophysics Research Knowledgebase
ARL Adoption Readiness Level | Air Resources Laboratory
ARM Agency Relationship Management & Engagement Division | Atmospheric Radiation Measurement
ARMAD Analysis Ready Materials Dataset
ARMD Aeronautics Research Mission Directorate
ARME Agriculture Risk Management Education Partnerships
ARMI Amphibian Research and Monitoring Initiative
ARMS Agricultural Resource Management Survey
ARNet Acquisition Reform Network (changed to AcqNet)
ARNOLD All Roads Network Of Linear Referenced Data
ARO Agency Records Officer
AROC Agency Records Officer Credential
ARP Acid Rain Program | AIDS Research Program (changed to HRP) | American Rescue Plan | Animal Resource Program | Applied Research Program (defunct; merged into BRP, EGRP, and HDRP) | Archival Recovery Program | Arctic Research Program
ARP-AIRE American Rescue Plan American Indian Resilience in Education
ARP EANS ARP Emergency Assistance to Non-Public Schools
ARP ESSER ARP Elementary and Secondary School Emergency Relief Fund
ARP HCY ARP Elementary and Secondary School Emergency Relief – Homeless Children and Youth
ARP-OA SEA American Rescue Plan-Outlying Areas State Educational Agencies
ARPA-E Advanced Research Projects Agency-Energy
ARPA-H Advanced Research Projects Agency for Health
ARRA American Recovery and Reinvestment Act
ARRI Appalachian Regional Reforestation Initiative
ARRT Advanced Rehabilitation Research and Training
ARS Agricultural Research Service | Area Ruggedness Scale | Atmospheric Remote Sensing
ARSET Applied Remote Sensing Training Program
ART Accessibility Requirements Tool | Assisted Reproductive Technology
ARTS Annual Retail Trade Survey
ARWSWG Alaska Rural Water and Sanitation Working Group
AS Acquisition Services | Office of Aviation Safety
ASA Assistant Secretary for Administration, HHS
ASAB Alcohol and Substance Abuse Branch
ASAC Applied Sciences Advisory Committee | Aviation Security Advisory Committee
ASAMM Aerial Surveys of Arctic Marine Mammals
ASAP Aerospace Safety Advisory Panel | Alcohol and Substance Abuse Program (changed to ASAB) | All Stations Accessibility Program | Automated Standard Application for Payments
ASAPP Active Shooter Attack Prevention and Preparedness
ASB Agricultural Statistics Board
ASC Advanced Simulation and Computing | Alaska Science Center | Appraisal Subcommittee | Arctic Studies Center
ASCAC Advanced Scientific Computing Advisory Committee
ASCE Assisting Specialty Crop Exports
ASCEND Agricultural Science Center of Excellence for Nutrition and Diet
ASCENDS Active Sensing of CO2 Emissions over Nights, Days, and Seasons
ASCQR Ambulatory Surgical Center Quality Reporting Program
ASCR Advanced Scientific Computing Research
ASD Accelerator Systems Division | Astrophysics Science Division | Atomic Spectra Database
ASDC Atmospheric Science Data Center
ASE Annual Survey of Entrepreneurs
ASEC Annual Social and Economic Supplement
ASER Annual Site Environmental Report | list of individual site ASERs
ASF DAAC Alaska Satellite Facility Distributed Active Archive Center
ASFIN Annual Survey of State Government Finances
ASGC Atmospheric Sciences & Global Change (changed to Atmospheric Science)
ASH Office of Security & Hazardous Materials Safety | Office of the Assistant Secretary for Health (changed to OASH)
ASHA American Schools and Hospitals Abroad (unable to verify 2/25)
AS-IA Office of the Assistant Secretary – Indian Affairs
ASIA-AQ Airborne and Satellite Investigation of Asian Air Quality
ASIAS Aviation Safety Information Analysis and Sharing
ASIC Accounting Standards Implementation Committee
ASIST Actionable and Strategic Integrated Science and Technology
ASIWG Adaptation Science Interagency Working Group (unable to verify 10/23)
ASJ Annual Survey of Jails
A/SKS Shared Knowledge Services
A/SKS/PPKM/OP Organizational Policy
ASL Assistant Secretary for Legislation
ASLBP Atomic Safety and Licensing Board Panel
ASM Annual Survey of Manufactures | At-Sea Monitoring Program
ASMD Atmospheric Sciences Modeling Division
ASO Airborne Snow Observatory | Argonne Site Office | Armed Security Officers Program
ASOA Acquisition Support and Operations Analysis (replaced by CDS)
ASOS Automated Surface Observing System
ASP Airborne Science Program
ASPE Assistant Secretary for Planning and Evaluation
ASPECT Airborne Spectral Photometric Environmental Collection Technology
ASPEP Annual Survey of Public Employment & Payroll
ASPIRE Advancing State Policy Integration for Recovery and Employment | Algorithm Suggesting Proportionate Incident Response Engagement
ASPP Annual Survey of Public Pensions
ASPR Administration for Strategic Preparedness and Response (previously, Assistant Secretary for Preparedness and Response)
ASR Abortion Surveillance System | Alternative Summary Reporting | Annual Survey of Refugees | Antenna Structure Registration | Atmospheric System Research
ASRAC Appliance Standards and Rulemaking Federal Advisory Committee
ASRE Atmospheric Science for Renewable Energy Development
ASRS Aviation Safety Reporting System
ASSIST Administrative Subsidy Support and Innovation Solutions Team (unable to verify 2/25)
AST Division of Astronomical Sciences | Office of Commercial Space Transportation
ASTEP Astrobiology Science & Technology for Exploring Planets (unable to verify 4/16)
ASTER Advanced Spaceborne Thermal Emission and Reflection Radiometer
ASTHROS Astrophysics Stratospheric Telescope for High Spectral Resolution Observations at Submillimeter-wavelengths
ASTP/ONC Assistant Secretary for Technology Policy and Office of the National Coordinator for Health Information Technology
ASTR Annual Statistical Transparency Report
AT Program Assistive Technology Program
ATA Annual Threat Assessment | Office of Antiterrorism Assistance - changed to Antiterrorism Assistance Program
ATAK Android Team Awareness Kit (archived)
ATB Annual Technology Baseline
ATCMTD Advanced Transportation and Congestion Management Technologies Deployment Program (unable to verify 3/25)
ATCR Air Travel Consumer Report
ATCSCC Air Traffic Control System Command Center
AT-CTI Air Traffic Collegiate Training Initiative
ATD Advanced Technologies Division (unable to verify 11/23) | Advanced Technology Demonstrator | Alternatives to Detention
ATDC Agency Transition Directors Council
ATDD Atmospheric Turbulence and Diffusion Division
ATD-ISAP Alternatives to Detention Intensive Supervision Appearance Program
ATDP Addiction Treatment Discovery Program
ATE Advanced Technological Education
ATF Accelerator Test Facility | Bureau of Alcohol, Tobacco, Firearms & Explosives
ATFE Bureau of Alcohol, Tobacco, Firearms & Explosives
ATIP Anti-Trafficking in Persons (changed to OTIP) | Automated Track Inspection Program (unable to verify 5/24)
ATJ Office for Access to Justice
ATLAS Argonne Tandem Linac Accelerator System
ATM Agricultural Trade Multipliers
ATMB Analytic Tools and Methods Branch (merged into DPHID)
ATN Animal Telemetry Network
ATO Air Traffic Organization
ATOC Aviation Training and Operations Center
ATom Atmospheric Tomography Mission
ATOMIC Atlantic Tradewind Ocean–Atmosphere Mesoscale Interaction Campaign
ATP Advanced Technology Program (unable to verify) | Agricultural Trade Promotion Program
ATR Antitrust Division
ATRF Advanced Technology Research Facility
ATRO Advanced Technology Research Office
ATS Adoptions Tracking Service | Automated Targeting System
ATSD-IO Assistant to the Secretary of Defense for Intelligence Oversight (changed to DOD SIOO)
ATSDR Agency for Toxic Substances and Disease Registry
ATTAINS Assessment and Total Maximum Daily Load Tracking and Implementation System
ATTREX Airborne Tropical TRopopause EXperiment
ATUS American Time Use Study
ATVM Advanced Technology Vehicles Manufacturing
ATW Air Toxics Web Site
AVA ASTER Volcano Archive
AVC Bureau of Arms Control, Verification and Compliance (changed to ADS)
AVERT AVoided Emissions and geneRation Tool
AVIA Animal and Veterinary Innovation Agenda
AVID Assimilation and Verification Innovation Division
AVMPI Audiovisual Media Preservation Initiative
AVO Alaska Volcano Observatory
AVRS AIDS Vaccine Research Subcommittee
AVS Applicant/Violator System | Aviation Safety
AVSO Appraisal and Valuation Services Office
AV TEST Automated Vehicle Transparency and Engagement for Safe Testing Initiative
AWAE Air, Water, & Aquatic Environments Program (changed to W&W)
AWAHDC Animal Welfare Act History Digital Collection
AWAKEN American WAKE experimeNt
AWARE Advancing Wellness and Resiliency in Education | Agency-Wide Adaptive Risk Enumeration
AWBERC Andrew W. Breidenbach Environmental Research Center
AWC Afghanistan War Commission | Angel Watch Center | Aviation Weather Center
AWE Academy for Women Entrepreneurs
AWEP Agricultural Water Enhancement Program (unable to verify 10/22)
AWFCG Alaska Wildland Fire Coordinating Group
AWG Administrative Wage Garnishment
AWIC Animal Welfare Information Center
AWIPS Advanced Weather Interactive Processing System
AWL Areawide Leasing Study
AWOIS Automated Wreck and Obstruction Information System
AWOS Automated Weather Observing System
AWP Aerosol Wind Profiler
AWTP Advanced Wireless Test Platforms (unable to verify 10/22)
AWTS Annual Wholesale Trade Survey
AxCS Accelerating Cancer Screening (unable to verify 3/25)
AXL Aquatic Experimental Lab (unable to verify 8/23)
AZWSC Arizona Water Science Center