A rookie FOXHOUND agent codenamed 'Raiden' is tasked with infiltrating the facility and rescuing the hostages held by the Sons of Liberty hostages that include the President of the United States. But two years later, Big Shell is taken over by a domestic terrorist group calling themselves the 'Sons of Liberty'. In response to the spill, the United States government builds a marine decontamination facility called 'Big Shell' off the coast of New York. As a result, Snake is framed as an eco-terrorist and goes off the grid. Before he can leak the images to the press, however, the tanker is suddenly attacked by a group of Russian mercenaries - led by his old enemy, the enigmatic Revolver Ocelot - and is destroyed in the chaos, spilling millions of gallons of crude oil into the ocean. Hal 'Otacon' Emmerich, Snake sneaks onboard the oil tanker secretly transporting the new Metal Gear to obtain evidence.