The Navy’s admiral in charge of nuclear propulsion said Tuesday there is no military value in switching to using low-enriched uranium in ship reactors on current aircraft carriers and cautioned that doing so is probably not feasible and would increase costs.Adm. John Richardson told the House Armed Services Committee during a hearing on nuclear-related defense issues that trying to replace highly enriched uranium with a low concentration would decrease the lifetime of the ship’s reactor, require another refueling of the…
