In the story, a Fleet of Fog loaded with super weapons suddenly appear all over the world. Without the ability to withstand this fleet, humanity was defeated and could no longer travel the seas. 17 years after the devastating naval war, Chihaya Gunzou and his friends somehow commandeer a Fleet of Fog submarine and rename it I-401. Together with Iona, they take on the Fleet of Fog.
 
(Source: Anime News Network)

This is one of the movies announced in the August issue of Shonengahosha's Young King Ours magazine. This movie will be a compilation of last year's television anime series with new story sequences.
 
(Source: Anime News Network)

In the early 21st century, the majority of Earth’s landmass is submerged due to rising sea levels. Enter the Fleet of Fog, a host of sentient alien battleships of unknown origin who easily decimate earth’s naval forces. Humanity is now on the verge of extinction.
 
In the year 2056, the stalwart Captain Chihaya Gunzou and his intrepid crew on the Blue Steel fleet may be humanity’s last chance to fight off the alien invaders. The Blue Steel fleet happens to contain a secret weapon that could turn the tide of war: a mysterious I-401 submarine that can transform into a girl.
 
(Source: Seven Seas Entertainment) 
 
Notes: Nominated to the 22nd Annual Tezuka Osamu Cultural Prize.

Sou Oribe