b'FCRD .Fuel Cycle Research and DevelopmentFFF Free Form FibersFFRD .Fuel Fragmentation, Relocation, and DispersalFFTF Fast Flux Test FacilityFGR.Fission Gas Release FIDES Framework for Irradiation ExperimentsFIMA .Fission of Initial Metal AtomsFM .Ferritic-MartensiticFMMS . Fuel Motion Monitoring SystemFOA Funding Opportunity AnnouncementFOM . Figure of MeritFRL . Fuels Research LaboratoryFS .Flash SinteringFWHM.Full-Width-Half-Max FY Fiscal YearGA General AtomicsGE General ElectricGERC General Electric Global ResearchGET Gamma Emission TomographyGFYGovernment Fiscal Year GNF .Global Nuclear FuelsGS Grain SizeGTRF Grid-to-Rod-FrettingHAADF High Angle Annular Dark FieldHALEU High Assay Low-Enriched UraniumHBFF .High Burnup Fuel FragmentationHBHE .High Burnup - Higher EnrichmentHBR HB RobinsonHBS High Burnup Structures2021|AFC ACCOMPLISHMENTS 179'