It's finally here: Presenting the new Sudden Strike 4 DLC "The Pacific War" on PS4.

Take the role of General Mac Arthur or Admiral Toyoda in the battle over the expanses of the Pacific Ocean and East Asia. For the first time in Sudden Strike 4, players can coordinate huge naval fleets and aircraft carriers.
On the rough seas and pacific isles, fighting takes place on very different terms than it doe sin the moderate climes of Europe. Your tactical approach and strategical maneuvering will have to adapt to new topographical and climatical situations if you are to prevail on historical battlegrounds like Okinawa and Iwo Jima.

...