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The exact process of joining the Marines is unclear.
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They are also antagonists in various non-canon material, such as the Warship Island, Goat Island, G-8 and Marine Rookie filler Arcs, the fifth and eleventh movies, and the third, sixth and tenth specials. Collectively, they stand as one of the Three Great Powers, alongside the Four Emperors and the Seven Warlords of the Sea, who were later replaced by the SSG.ĭue to their actions and role, they are one of the major antagonist groups of the series overall, specifically they serve as the main antagonists in the Romance Dawn, Loguetown, Enies Lobby, Sabaody Archipelago, Marineford, and Return to Sabaody Arcs. They maintain a presence on all of the world's known seas, through countless branch offices however, the vast majority of their assets are focused solely on the Grand Line, in which resides their main base of operations, Marine Headquarters. The Marines are the World Government's military sea force, tasked with law enforcement, international security and military operations.
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