North Korean leader Kim Jong Un oversaw tests this week of his country’s naval destroyer, claiming Pyongyang is in the process of “arming the Navy with nuclear weapons”, state media reported Thursday. The tests, including a launch of a sea-to-surface cruise missile, come shortly after Kim led a major once-in-five-years Party Congress, at which he renewed goals of a military buildup and vowed to forcefully respond to any threats. It also comes as the nuclear-armed North’s key foe — the United