North Korea could have begun construction on a new submarine, likely designed to operate on nuclear fuel, according to The War Zone. According to South Korean intelligence, partial signs indicating the onset of submarine construction in North Korea have been detected. However, it remains unclear whether this involves the building of a nuclear-powered submarine. The construction project is still in its early stages. A representative from South Korea’s intelligence agency noted that submarine construction activities have been observed in the northeastern region of Sinpo. The vessel is likely bei…