LYNCHBURG, Va.–(BUSINESS WIRE)–BWX Technologies, Inc. (NYSE: BWXT) announced today that its TRISO nuclear fuel has powered Antares Nuclear Inc.’s reactor through the first successful criticality milestone under the Administration’s Executive Order 14301, Reforming Nuclear Reactor Testing at the Department of Energy. BWXT also processed the high assay low enriched uranium (HALEU) feedstock material used to manufacture the Antares TRISO fuel compacts from scrap materials provided by NNSA, under