Azur Lane:Space battleship rising

After a long time of battle with siren finally a faction call Azurlane separate to
Red axis and Azurlane the two battle for long until the human finally build a plan to make a space ship to escape earth with some of populations but with the help of a alien call Iskanda and the last piece of engine wave motion engine now done.it not a space ship that use to escape to the endless anymore that will travel on space with no exact destination it now a hope of humanity to survive and destroy siren HIS name is
SPACE BATTLESHIP YAMATO!! (Also my grammar is bad af so I warn you)
Update time I can think about plot of that chapter