依據封包資訊，Fletcher有2階段改二型態，可消耗資材切換(類似夕張特/夕張丁的模式)
Fletcher改 Mod.2 (全方位強化)
https://pbs.twimg.com/media/EYdJOUxWkAUarn0.png
https://pbs.twimg.com/media/EYdJOclWoAAq6zb.png
https://pbs.twimg.com/media/EYdJOlQWoAAO6bD.png
Fletcher Mk.II (對潛特化)
https://pbs.twimg.com/media/EYdJOWDXYAUCzOY.png
https://pbs.twimg.com/media/EYdJOfKXsAAfO8M.png
https://pbs.twimg.com/media/EYdJOn5XkAAhNF5.png
Johnston
https://pbs.twimg.com/media/EYdJQuxXsAE4gYk.png
https://pbs.twimg.com/media/EYdJQ4fWkAAVVQ1.png
海風改二
https://pbs.twimg.com/media/EYdJN80X0AQo6tW.png
https://pbs.twimg.com/media/EYdJOXGWsAEdx1F.png
漣改
https://pbs.twimg.com/media/EYdJASoWkAAs7Aa.png
https://pbs.twimg.com/media/EYdJAa_XYAAoyis.png
潮改二
https://pbs.twimg.com/media/EYdJGMtXsAEFJoz.png
https://pbs.twimg.com/media/EYdJGVIXQAAAtbk.png
天山一二型甲
https://pbs.twimg.com/media/EYczVHsWoAE1kEK.png
https://pbs.twimg.com/media/EYczVVWWsAAxBTA.png
RUR-4A Weapon Alpha改
https://pbs.twimg.com/media/EYczVXBWsAAq0Ly.png
https://pbs.twimg.com/media/EYczVovXkAAMDL6.png
533mm五連裝魚雷後期型
https://pbs.twimg.com/media/EYczVrIXsAIVCvC.png
https://pbs.twimg.com/media/EYczV44XgAAG49h.png
對潛短魚雷(試作初期型)
https://pbs.twimg.com/media/EYczWMeWoAAqnUZ.png
https://pbs.twimg.com/media/EYczWayWkAEg6nX.png
新裝備面板數值
https://pbs.twimg.com/media/EYdMigHXQAA0Br5.png
https://pbs.twimg.com/media/EYdMlNHXkAI5JH4.png
https://pbs.twimg.com/media/EYdMm9NWsAAAQMs.png
https://pbs.twimg.com/media/EYdMpDhWsAADiuv.png
新家具
https://pbs.twimg.com/media/EYc0i-sWsAA2Fcu.png
https://pbs.twimg.com/media/EYc0jHFWoAkcISF.png
https://pbs.twimg.com/media/EYc0isBX0AAMXJ5.png
https://pbs.twimg.com/media/EYc0jE0WsAAHZIp.png