Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, bounded by Asia and Australia in the west, and the Americas in the east.

At 165.2 million square kilometres (63.8 million square miles) in area, this largest division of the World Ocean – and, in turn, the hydrosphere – covers about 46% of the Earth's water surface and about one-third of its total surface area, making it larger than all of the Earth's land area combined.  The equator subdivides it into the North Pacific Ocean and South Pacific Ocean, with two exceptions: the Galápagos and Gilbert Islands, while straddling the equator, are deemed wholly within the South Pacific. The Mariana Trench in the western North Pacific is the deepest point in the world, reaching a depth of 10,911 metres (35,797 ft)

Pacific Ocean in Days of Infamy
The Pacific Ocean was vital to Japan's defence and future. With the capture of Hawaii in 1942 and the destruction of the US Pacific Fleet, Japan was able to extend it's conquest across the entire Pacific.

However, holding it's conquest proved harder than taking it, as the US Navy began to slowly eat away at Japan's shipping lanes, before finally retaking Hawaii in early '43.

Pacific Ocean in Southern Victory
The Pacific Ocean was only a side show to the US Navy despite it's Two Fleet Strategy. Before the Great War, the Pacific was divided up among many European powers. England, France, Russia, Germany, the Netherlands, and Japan. When the war started, the US Navy entered the Pacific by capturing the Sandwich islands. Throughout the rest of the war, the Pacific was only a series of holding actions with one major engagement, the Battle of the Three Navies. Despite holding Hawaii and keeping it, the US was never able to cut the pacific life line to Canada.

After the war ended, only Japan England and the US remained as dominate powers in the Pacific. During the interbellum, the Pacific became a theatre of war again when Japan and the US clashed during the Pacific War. This war resulted in the two powers returning to the status quo.

During the Second Great War, the Pacific yet again became a battle ground as Japan declared war on the US, but this quickly petered out as Japan switched targets to attack England and Russia, finally forcing all European powers out of the Pacific.

Pacific Ocean in Worldwar
The Pacific Ocean was largely ignored by the Race until they realised that the Human powers were using the oceans to ship vital supplies to each other. In retaliation for the atomic bomb that destroyed the Race held city of Florida, Atvar decided to bomb Pearl Harbor as he recognised it's importance as a vital supply lane in the Pacific.