Seoul, South Korea CNN  —  New satellite images show what could be North Korea’s biggest warship ever – possibly more than double the size of anything in leader Kim Jong Un’s naval fleet. Images taken by independent satellite providers Maxar Technologies and Planet Labs on April 6 show the ship under construction in the water at the Nampo shipyard on North Korea’s west coast, about 60 kilometers (37 miles) southwest of the capital Pyongyang. Analysts say the pictures show ongoing construction