b'tibility, etc.) to fuel fragmentation,is being led by the Collaborative relocation, and dispersal severity. TheResearch on Advanced Fuel Technolo-content of this manuscript providesgies (CRAFT) for Light Water Reactors a clear path for connecting testing(LWRs) program including representa-and data acquisition to commercialtives from major interests in industry, application by providing concreteUnited States Nuclear Regulatory means for filling data gaps and priori- Commission, and from AFC program tized testing regimes. The role of therepresentation. The purpose of CRAFT AFC High Burnup (HBu) programis to disseminate the information is to use this manuscript identify,provided by the technical community, prioritize, and filling data gaps thatassess their relative progress, and aid will enable extending burnup beyondin research and development (R&D) 62 GWd/tU. scope prioritization. This manuscript Accomplishments:has been critical to the high burnup This manuscript is supporting U.S.program within the campaign and used nuclear industry desire to extend theto develop and document the experi-rod average burnup to ~75 GWd/ mental and analytical activities required tU by 2026. Given the aggressiveto generate critical path data and infor-schedule of this goal and limitedmation to aid in regulatory review and available resources, the manuscriptinform Topical Reports related to the supports subsequent efforts indentedBurnup Extension mission. Additionally, to prioritize, integrate, and coordinatethe review has provided the Nuclear parallel efforts being conducted byRegulatory Commission (NRC) with all stakeholders to the extent possiblecritical information to support the in order to fill technical knowledgedevelopment of their internal Research gaps. This complex integration effortInformation Letter as well as informed the SCIP IV program directions.2021|AFC ACCOMPLISHMENTS 83'