The Indomitable Bastion

In the world, full of weaponized humanoid that sit comfortably in their War Machines. The threat from another world knowns as "META" has emerge, they quickly take control of the Pacific and the Atlantic within hours. They quickly setup a blockage throughout the ocean with their autonomous control ships. Humanity has gather enough recsources to reclaimed portaion of the Pacific and use their wreckage to costruct a new ship, as their 'Bastion', along with other older type of weapon. However, in order to truly get rid of them. They needed to go on a journey that they never encounter before....