| text= Form a fleet using Taigei or Jingei as flagship and have 2 submarines as part of the fleet. Then with your fleet, patrol the Offshore Nansei Islands, the Oil Refinery Area, Nansei Islands Coastal Waters, and the Eastern Orel Sea area. Take control of the seas within each of these locations! | | text= Form a fleet using Taigei or Jingei as flagship and have 2 submarines as part of the fleet. Then with your fleet, patrol the Offshore Nansei Islands, the Oil Refinery Area, Nansei Islands Coastal Waters, and the Eastern Orel Sea area. Take control of the seas within each of these locations! |