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Marines Infobox
Japanese Name: 海軍
Romanized Name: Kaigun
English Name: Navy (VIZ, 4Kids, FUNimation);
Marines (FUNimation early uncut dub)
First Appearance: Chapter 3; Episode 1
Affiliation: World Government
Fleet Admiral: Sakazuki, Sengoku (resigned), Kong (promoted)
See also the associated topic category: Marine.

The Marines are the World Government's military sea force, tasked with law enforcement, international security and military operations. The Marines are one of the three great powers, alongside the Shichibukai and the Yonko.

They are present in all the seas around the world, as evidenced by their branch offices. The focus of their assets is on the far more dangerous Grand Line.

In the aftermath of the Battle of Marineford, the Marine Headquarters has since been relocated to the New World.[1]


The duty of the Marines is to maintain a law and order throughout the world and impose the will and might of the World Government. They are therefore considered the key strategic development force in the World Government and are expected to obey its orders at will. Sometimes these orders are questionable, however they are expected to carry them out regardless of opinion. Amongst their duties is awarding bounty hunters the bounties on the heads of a criminal. They tolerate bounty hunters as a method of making their job easier but are known to go out bounty hunting themselves. Apprehended criminals who are brought in alive are handed over to be made an example of, the Marines are left to ensuring the exportation of these criminals to prison and/or to their execution.

Marines often work in pairs with one superior officer and a second in command or a subordinate who is of a lower rank.[2] These partnerships may remain even during promotions with both pairs advancing in rank together.[3] In the pair the higher ranked officer will give the orders to those under their command, while the other acts as an adviser or information gatherer while ensuring their partners command is undertaken by the men.

Higher ranked Marines (admirals and the fleet admiral) are expected to be on call to lead the Marine forces into war. This may take form of apprehending many criminals at once, protecting the World Nobles or calling a Buster Call to tackle a situation. Vice admirals are the ones who serve on the ships that the admirals call out and are tasked with carrying out the admirals orders exactly.

The main purpose of the Marines remain footed in the idea of bringing justice to any criminal. They use justice as their constituted policy to manage a world that is made entirely of one ocean much easier. However, the main problem within the Marines is the approach to Justice. They are generally divided between those who support Moral Justice and those who support Absolute Justice with the latter being the code of conduct for the Marines as a central doctrine. Nevertheless, there is little worry from the higher ranked Marines as to how the Justice is carried out so long as it is, leading those who truly support absolute justice to make questionable actions in carrying out their duties.

The Marines are also aided by the Shichibukai in terms of maintaining the "Three Great Powers", and as such, are expected to cooperate when necessary. Despite this, several Marines, such as Aokiji, Akainu, Smoker, Sengoku, Kizaru, and Issho think of the Shichibukai as no more than pirates. In turn, the Shichibukai have no obligations to obey the Marines unless under the direct orders of the World Government itself.

One of the most questionable parts of their "Justice" is when it comes to slavery. Despite the practice supposedly being abolished years before, it is often shown that they just look the other way. Especially when it comes to the World Nobles' slaves, where it is even seen as a crime to free said slaves even if the person is merely a child. Often they are tasked to find and retrieve the person to be a slave once again.

The New AgeEdit

Thanks to Blackbeard and the death of Whitebeard, a new age has begun upon the world and the "Age of Pirates" that Roger established has ended. Thus began a new time for Marines as well. With the greatest Marines Sengoku and Garp resigning, a power vacuum for the position of fleet admiral occurred. Despite Sengoku's recommendation for Aokiji to take his position, the other higher echelons wanted Akainu to become fleet admiral. The two admirals commenced a ten day battle on the Punk Hazard island while the details of the battle were agreed to be kept secret. Akainu managed to win and therefore became the new leader of the Marines. However, after the battle, Akainu kept his rival alive. Aokiji, disliking Akainu and his methods, and not wanting to serve under Akainu, resigned from the Marines and disappeared. To compensate the loss of much military powers, the World Government granted the Marines unprecedented power, and with Sakazuki as the new fleet admiral, the organization has become an overall much more powerful organization of justice ever since.

Rank SystemEdit

Main article: Marine Ranks

The system of military rank in place for the Marines is fairly straightforward, where each rank is clearly delineated.[4]

Officers and recruits present at Marine Headquarters are considered "Super-elites". All ranks present from "Lieutenant" above are usually trained here, exceptions being those in command of other Marine bases which includes Axe-Hand Morgan and Nezumi.[5]

Rank InsigniaEdit

The Marines do not have a system of rank insignia per se. There is significant variation in the kind of uniform worn by officers, with many opting to wear a variety of dress showcasing their own eccentric style. Marines are also allowed to wield whatever weapon they are most comfortable with, no matter how unusual it is. They are even free to fight bare-handed. However, as a general rule set down by the author, uniform guidelines are as follows:[6]

  • Upon first entering the Marines, new recruits are given the standard uniform, consisting of a white short-sleeved shirt emblazoned with the Marine emblem, a simplified seagull with "MARINE" underneath it, on the back; a blue neckerchief; dark blue trousers; and a baseball cap with "MARINE" across the front. All officers at the rank of Seaman (一等兵 Ittōhei?) and below wear this. The quasi-rank of "Zatsuyō" (雑用 Zatsuyō?) adds the kanji 雑 Zatsu ("various" or "odds and ends") to the sleeves, and to the Marine emblem on the back.
  • Once an officer has reached the rank of Petty Officer (伍長 Gochō?), he or she can choose from a number of different uniforms, including his or her personal clothes. Only those who really want to appear "sailor-like" will stay with a more traditional uniform. This uniform is generally the standard sailor outfit with red and blue epaulettes.
  • Sailors at the rank of Ensign (少尉 Shōi?) and above are allowed to wear the coat with "Justice" (正義 Seigi?) on the back. This coat tends to be worn like a cape, draped over the shoulders with the arms not in the sleeves. It should be noted that the sleeves of these coats are often much longer than the wearers' arms.
  • For the rank of Lieutenant-Commander (少佐 Shōsa?) and above, a suit worn underneath the "Justice" coat is the preferred attire.

There are, of course, exceptions: Jango and Fullbody wear their own clothes with the "MARINE" hat, despite holding the rank of "Seaman Recruit" (三等兵 Santōhei?). This may have something to do with the exceptional circumstances by which both of these men were brought into their present situation, the lenience on the part of their Captain, Hina, or just the fact that the rule is not strictly enforced. Also, G-5 low-rank subordinates do not wear the full uniform due to their disregard of the rules, to the point of wearing slacks and a bucket for a hat.

When a powerful or high rank marine (as Fleet Admiral, Admiral or Vice Admiral) wants to resign, he is generally invited to become an Instructor or General Inspector.

Commissioned Marine OfficersEdit

Marines One day

The Marine Elites before the timeskip.

Infantry and Sailor DivisionEdit

Special RanksEdit


Exactly how long the Marines have been around for is unknown, so is how they were created; however, it has been commented that Marineford has been their "stronghold/watchpost of justice" for centuries, implying that they have existed for quite a while.[7]

The oldest known date of their existence is fifty-two years before the current storyline when Oimo and Kashi were captured by the Marines and tricked into guarding Enies Lobby, hoping to free Dorry and Brogy, whom they thought had been arrested. This is around the time in which Brook received his bounty, another proof of the existence of the Marines fifty years ago.

Twenty-seven years before the current storyline, a platoon of marines led by Garp and Sengoku are sent to stop the war between Roger and Shiki.

Twenty-four years before the current storyline, Garp was known as the legendary Marine who cornered Gol D. Roger many times. A week before Roger's execution Shiki caused an uproar when he decided to assault Marineford all by himself. However, he was defeated by the hands of both Garp and Sengoku and was imprisoned in Impel Down for the next two years before his escape. After Roger's execution, the Marines and the Marine judges went to Water 7 to judge and later execute Tom for supporting him in his pirate ventures by constructing Roger's ship, the Oro Jackson.

Twenty-two years before the current storyline, a platoon of Marines, including five vice admirals, were sent to Ohara to execute a Buster Call regarding the research of lost history and annihilated the island. Three of the most notable vice admirals who took part included future admirals Kuzan and Sakazuki as well as Jaguar D. Saul, who sacrificed his life to protect Nico Robin.

After Marshall D. Teach had captured the second division commander of the Whitebeard Pirates, Portgas D. Ace to become a Shichibukai, with Ace's execution being announced, the Marines were preparing to have an all-out war against the Whitebeard Pirates, which took place at Marineford. Alongside the Whitebeard Pirates came Monkey D. Luffy and a motley crew of Impel Down breakout convicts, and the battle had escalated to its final phase after an hour and a half.

Upon Ace and Whitebeard's deaths, Shanks arrived to stop the war, and Sengoku agrees. With that, the world who despises pirates celebrated the Marines for their victory. However, Sengoku then finds out that several Level 6 prisoners from Impel Down escaped thanks to Blackbeard, and is even more furious when the World Government declares the second mass escape must be suppressed from the general public.

Shortly after the end of the war, Sengoku resigned from his position as fleet admiral, three weeks after Garp did. The position was replaced after a great ten day battle to the death between Aokiji and Akainu at some point in the two years following the war. The victor was Sakazuki who became the new fleet admiral, and though Kuzan lived, he refused to work under Akainu and thus left the Marines. Aokiji's resignation was a great loss to the Marines although they have become much stronger under the command of their new fleet admiral.

During the timeskip, the Marines held a global military conscription after considering some of their own people to fill the position of admiral. From this, they gained Admiral Fujitora and Admiral Ryokugyu.

Marine MembersEdit

See also the associated category: Marines.
[v · e · ?]
Fleet Admiral
Kizaru (Borsalino) Fujitora (Issho) Ryokugyu
Vice Admirals
Tsuru John Giant Comil Momonga Onigumo
Doberman Strawberry Yamakaji Lacroix Ronse
Stainless Mozambia Cancer Dalmatian Bastille
Smoker Maynard
Rear Admirals
Kadar Sicily Catacombo
Daigin Yarisugi Brannew
Hina T-Bone Very Good Shu Sharinguru
Gorilla Tashigi Coby Nezumi
Commanders, Lieutenant Commanders
Commander Ripper Lt. Commander Helmeppo
Lieutenants, Lieutenant Junior Grades, Ensigns
Lieutenant Junior Grade Stalker Lieutenant Junior Grade Rokkaku Ensign Makko
Other High Ranking Marines
Science Captain Sentomaru Bogart
(Rank unknown)
(Rank unknown)
(Rank unknown)
(Rank unknown)
General Inspector Sengoku Instructor
Monkey D. Garp
Giant Squad Head Scientist
Dr. Vegapunk
Chief Petty Officers, Petty Officers
Chief Petty Officer Shine Chief Petty Officer Mashikaku Chief Petty Officer Asahija
Seaman Recruits
Seaman Recruit Fullbody Seaman Recruit Jango Seaman Recruit Ukkari Seaman First Class Lines
Bakezo Pike Jero Gal Photography Captain Attach
Dr. Fishbonen Chef Kyuji Chef Koda Waitress Rika
Former Marines
Fleet Admiral Kong  Admiral Aokiji  Vice Admiral Jaguar D. Saul  Vice Admiral Vergo   Rear Admiral
X Drake 
Commodore Pudding Pudding  Captain Morgan  Commander Donquixote Rosinante  Bell-mère  Scientist
Caesar Clown 
[v · e · ?]
Non-Canon Marines
Marines with Known Ranks
Vice Admiral Jonathan Vice Admiral Momousagi Vice Admiral Chaton Rear Admiral Yukimura Commodore Bilić
Captain Moore Captain Trap Commander Governor Commander Shepherd Lieutenant Commander Hardy
Lieutenant Commander Rapanui Pasqua Lieutenant Commander Drake Hot Wind Marines Dr. Kobato Shipwright Mekao
Head Chef Jessica Chef Shinpachi Chef Billy Chef Tom Chef-in-training Tajio
Dishwashers Marley Brothers
Marines with Unknown Ranks
Nelson Royale LeMay Isoka Akibi Rongo
Pukau Lego Saga Toma Bismarck
Boo Kong Regis
Former Non-Canon Marines
Admiral Zephyr  Commodore Shuzo  Lieutenant Commander Randolph  Ensign Daddy Masterson  Chief Petty Officer Minchey 
Gasparde  Jim  Ryudo  Ain  Binz 

  •  : the character is deceased.
  •  *: the character's status is unknown. Hovering the symbol may give further details.
  •  : the character is non-canon.
  •  : the character is no longer part of this group. Hovering the symbol may give further details.

Early One PieceEdit

According to One Piece Green: Secret Pieces, the Marines' original theme was supposed to be sort of Mafia-like. In the first version, marines were supposed to wear black suits instead of marine coats and every member was planned to have a hard, scary look on their faces. Also, minor marine characters like John Giant and Brannew were already planned out from the beginning of the series.

Translation and Dub IssuesEdit

Although the literal Roman characters "Marine" are displayed prominently throughout the manga on the hats and uniforms of officers and at military installations, the Japanese word that is used is "海軍" (かいぐん) "kaigun", which translates most closely to "Navy".

One of the reasons that Navy is the traditional English translation of the word "Kaigun" is the close association that the Imperial Japanese Navy had with the British to the extent that bridge commands in the INS were even issued in English until shortly before WWII. As a result, Viz as well as 4Kids decided to translate it as "Navy". While Viz alters the various "kaigun" kanji to read Navy in English while leaving the word Marine alone on various equipment and personnel, 4Kids, on the other hand, took a different approach. 4Kids opted to erase kanji and to change all instances where the word "Marine" appears in the artwork to read "Navy". Conversely, FUNimation appears to take more of a middle ground. They appear to translate all of the Kanji literally as "Navy", a well as occasionally referring to the organization as a whole as the "Navy" while more often referring to the smaller groups and the grunts chasing them as "The Marines". Seemingly by the logic that the group as a whole are the "Navy" and the individual soldiers are "Naval-Marines".

In English, to call the Navy the "Marines" or the "Marine Corps" can be considered a mistake, because Marines (in the English sense of the word)  make up only a portion of the Navy's forces. For example, in the United States of American Military the word "Marine" is used to describe any member of a Marine Corps while a strictly seafaring force is called a Navy. Evidence from the series (specifically, the author's frequent use of vocabulary from a variety of mainland European languages) suggests that the use of "Marine" in the Navy's emblem may come from French or German. In both languages, "Marine" has the same meaning as the English word "Navy".

Nevertheless, English speaking fans of the series generally accept either term, though some who are fans of the Japanese version (but do not actually speak Japanese) have been known to criticize the use of the word "Navy". This is normally either as a knee-jerk reaction against the 4Kids dub of the Anime (which uses the term) or out of unawareness that the word "Navy" is a more proper translation of the term "Kaigun". In the end, it is important to remember while Navy or Marines can be used as the correct term for the group, using the English term "Marine" as a direct translation of the Japanese term "Kaigun" is incorrect.


  1. One Piece Manga and Anime — Vol. 61 Chapter 598 (p. 10) and Episode 517, a bartender tells Nami that the new fleet admiral moved Marine HQ to the New World.
  2. Smoker and Tashigi, Garp and Bogart, Kizaru and Sentomaru, Helmeppo and Coby.
  3. One Piece Manga and Anime — Vol. 23 Chapter 212 and Episode 127, Smoker and Tashigi promoted together.
  4. SBS One Piece MangaVol. 8, the Marine ranking system explained.
  5. SBS One Piece MangaVol. 29, the difference between those present at the Marine HQ.
  6. SBS One Piece MangaVol. 24, the Marine uniform explained.
  7. One Piece Manga and Anime — Vol. 59 Chapter 578 (p. 3) and Episode 487, An unnamed Marine Officer comments on the age of the Marine HQ tower in disbelief at the destruction laid to it by Blackbeard.

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