Items of significant technical progress which occurred in specific reactor projects and in general engineering research and development programs are reported. Specific developments are reported concerning the EBWR, Borax-V, EBR-l and II, and the Fast Reactor Test Facility (FARET). General research and development is reported on evaluation of carbide and oxide fuels, isotopic power sources, metallography of fissium alloys, ZPR III, VI, and lX experiments, and Juggernaut critical experiments. Developments in general reactor technology are reported in the areas of applied reactor physics, fuels, materials, and components development, heat engineering, and separations. Other work is reported on direct conversion devices and in the area of nucle...