b'3 AR FUELSFAST/Accelerated Testing for Advanced Fuel Designs 118Transient Testing of SFR Fuel Designs 122Status and Future for Integral Scale Fast Spectrum Fuel Pin Irradiations 128Metallic Alloy Fuels for Transmutation 1324 CAPABILITY DEVELOPMENTExpansion of LWR Loop Testing Infrastructure 136Fuel Rod Refabrication Capability 140In-Pile LOCA Testing at TREAT .144Development of the Temperature Heat sink Overpower Response Capsulefor Use at Transient Reactor Test Facility148AFC HFIR Irradiation Testing Highlights 1545 APPENDIX5.1 Publications 1605.2 FY-21 Level 2 Milestones 1685.3AFC Nuclear Energy University Projects (NEUP) Grants 1705.4 Acronyms 1765.5 Divider Photo Captions .1862021|AFC ACCOMPLISHMENTS 7'