Changes

         _artist = "Shizuma Yoshinori",

         _artist = "Shizuma Yoshinori",

         _implementation_date = { 2014, 4, 23 },

         _implementation_date = { 2014, 4, 23 },

         _availability = { "drop", "event_reward", event_reward = {{2014, 4, 3}} },

         _availability = { "drop", "event_reward" },

         _wikipedia = "Japanese destroyer Amatsukaze (1939)",

         _wikipedia = "Japanese destroyer Amatsukaze (1939)",

     },

     },