b'5.4 ACRONYMSADF Annular Dark FieldAEC .Atomic Energy CommissionAFC Advanced Fuels CampaignAFQ Accelerated Fuel QualificationAGR .Advanced Gas ReactorAL Air LiquideaLEU Advanced Low-Enriched UraniumALIP Annular Linear Induction PumpsAMET Automated Welding SystemsANO Arkansas Nuclear OneANS American Nuclear SocietyAPMT Advanced Powder Metallurgy TubingAPT .Atom Probe TomographyAR As-RolledARCTIC Advanced Reactor Concepts in Thermal-spectrum CapabilityARES . Advanced Reactor Experiments for Sodium Fast Reactor FuelsATF . Accident Tolerant FuelATR Advanced Test ReactorATT Axial Tube TensionBCC Body Centered CubicBDBA .Beyond Design Basis AccidentBF .Bright FieldBNL . Brookhaven National LaboratoryBOC Beginning of CycleBOL .Beginning of LifeBR2 . Belgium Reactor - 2BRR BEA Research Reactor176 2021|AFC ACCOMPLISHMENTS'