North Korea conducted test launches of cruise missiles called Pulhwasal-3-31 from a submarine, according to Yonhap. It is reported that the new strategic cruise missile allegedly hit the specified targets, flying over the Yellow Sea for two hours and three minutes. South Korean military stated that they detected the launch of several cruise missiles over waters near the port city of Sinpo, where a shipyard for the construction of North Korean submarines is located. Aggressive policy of North Korea In recent weeks, the leader of North Korea, Kim Jong Un, has made a series of statements indicati…