Marine Headquarters

Biodata

Feature	Details
Name	Marine Headquarters (海军本部)
Affiliation	World Government direct organization 395
Occupation/Role	Central Marine command, responsible for deploying forces, supervising branch operations, issuing bounties, and enforcing World Government orders 14 81 232
Status	Marineford was destroyed in a later conflict; the remaining Marines suffered heavy casualties 549
First Appearance	Chapter 1

Command Structure

Office / Position	Documented Holder(s)	Responsibilities or Notes
Fleet Admiral	Sengoku; later Sakazuki	Sengoku directed the response to Moke and the public-execution operation; Sakazuki later managed Headquarters amid internal distrust, financial shortages, and conflict with the East Blue Navy 58 232 378 460
Admirals	Sakazuki, Borsalino, Kuzan	Regarded as Marine Headquarters’ highest combat power; all three were deployed at Teach’s execution 240
Chief of Staff	Tsuru	Worked with Sakazuki on Marine Headquarters’ military and political crises, including negotiations and responses to East Blue Navy threats 244 464
Specially appointed Admiral	Marshall D. Teach	Joined Marine Headquarters and was appointed an Admiral, though his post was initially nominal and he was forbidden from forming his own unit 361

Authority and Operations

• Marine Headquarters regulates the personnel strength, warship allotments, salaries, and subsidies of its branches; Branch 16 repeatedly exceeded these limits without recognition for its excess forces and ships 14.
• It distributes military funding to branches. Branch 16 received an increased allocation on the condition that it intercept or arrest the Moke Pirates 14.
• It directs regional responses to pirate threats, including ordering Smoker to support Branch 16 and later instructing him to cooperate with the branch against East Blue pirates 15 81.
• It sets pirate bounties as a strategic tool. Sengoku raised Moke’s bounty to 100 million Belly to draw bounty hunters toward the East Blue pirate problem 81.
• Marineford’s dock regulations reserve exclusive berths for Headquarters generals; other officers and branch forces must use assigned docking areas 237.
• Marine Headquarters maintains standardized warship specifications, making pirate vessels unsuitable substitutes even when repainted for Marine use 25.

Major Deployments

Operation	Forces / Measures	Outcome
Response to the Moke Pirates	Headquarters considered Moke too dangerous for ordinary local forces and planned to send a rear admiral, several colonels, and local branch support to stop him in the first half of the Grand Line 58	The plan was disrupted when new intelligence placed the Moke Pirates back in the East Blue 58
Public execution of Marshall D. Teach	Headquarters used Teach’s execution to lure Moke into a trap, mobilizing 100,000 elite Marines, major generals, the Three Admirals, branch reinforcements, and the Shichibukai 232 240	Whitebeard’s forces bypassed Marineford’s defenses from beneath the sea; Teach was rescued, the execution failed, and Marineford was left crippled 242 248
East Blue Buster Call	Headquarters divided its main force into four fleets led by the Fleet Admiral and Three Admirals, advancing on the East Blue from four directions 321	The operation failed in October of Sea Calendar 1519 336
Sabaody response	Sakazuki, Tsuru, and Borsalino mobilized after East Blue Navy attacks on auction houses and the killing of Celestial Dragons 463	Headquarters faced an East Blue Navy threat to destroy Marineford while the World Government withheld overt support 463 464

History

East Blue Oversight

Marine Headquarters initially treated the East Blue as a low-priority region. Its warships rarely appeared there, though it dispatched Vice Admiral Garp and Lieutenant Colonel Smoker to inspect Marine Branch 16 over suspicions that its commander, Dand Xia Che, was colluding with pirates 1.

Branch 16’s repeated funding requests drew Headquarters’ scrutiny, but its submissions were formally compliant. After Garp recognized the threat posed by Moke, Sengoku acknowledged that Headquarters had underestimated both Moke and Branch 16’s ability to resist him 12 37.

Break with Marine Branch 16

Marine Branch 16 formally seceded from Marine Headquarters and declared independence 225. Headquarters nevertheless sent the former branch a deployment order for Teach’s public execution, intending in part to assess its allegiance 232 233.

The defectors arrived at Marineford under the name East Blue Navy. Their presence unsettled Sengoku, who could not determine whether they intended to aid Moke, observe the execution, or exploit the gathering of Headquarters’ elite forces 236.

Marineford Crisis

Headquarters publicly announced Teach’s execution to force Moke into a direct confrontation. The operation had Gorosei approval and was designed to restore Marine authority by eliminating a pirate who had openly declared war on it 232.

The plan instead escalated into a major conflict when the Whitebeard Pirates entered Marineford from the seabed, bypassing the guarded gates. Despite the assembled forces, Teach was rescued, Moke escaped, and Headquarters suffered severe casualties and damage 242 248.

Marineford subsequently underwent major renovations after the battle exposed the inland sea route leading directly into the base as a critical vulnerability 268.

War Against the East Blue Navy

Following the public-execution failure, Headquarters lacked the strength to immediately confront the East Blue Navy and instructed regional branches not to provoke it for the time being 254.

It later launched its largest Buster Call against the East Blue Navy. The campaign combined military encirclement with propaganda, declaring that anyone who aided the East Blue Navy would be judged as an enemy of the World Government 321. The Buster Call failed, further damaging Marine Headquarters’ standing 336 341.

Internal Decline and World Government Distrust

The losses from Marineford and the East Blue war outpaced the World Conscription’s ability to restore Headquarters’ manpower. In this weakened state, Headquarters appointed Teach as an Admiral while denying him an independent command, reflecting its need for high-level combat power and its distrust of him 361.

Kuzan’s departure for the East Blue Navy triggered an internal crisis. Sengoku and Garp were accused of involvement with the East Blue Navy and temporarily detained after Buggy’s testimony implicated them 378.

The World Government increasingly bypassed Headquarters’ authority. An Assassination Tactics Special Unit under the Gorosei was given power to monitor, arrest, and try Marines directly 412 492.

Financial Crisis and Destruction of Marineford

Under Sakazuki, Marine Headquarters struggled to maintain warships and pay salaries while the World Government spent heavily elsewhere and withheld sufficient funding 460. During the collapse of the Belly currency, many Marines left; Koby, Borsalino, Sentomaru, Gion, and Kaki were among those stated to remain loyal 548.

Marineford was later destroyed in a major attack that filled the island with lava. The World Government subsequently announced that Sakazuki and Borsalino had murdered their fellow Marines and defected to the East Blue Navy, though competing accounts of the incident circulated publicly 549.

Relationships

• World Government — Parent authority that issues orders to Marine Headquarters, approves major operations, and later distrusts the organization enough to impose direct Cipher Pol oversight 232 395 492.
• East Blue Navy — Formerly Marine Branch 16; became an independent rival after seceding and defeated Marine Headquarters’ Buster Call 225 336.
• Moke / East Blue Overlord — Major pirate adversary whose actions prompted bounty increases, interception plans, and the public-execution trap involving Teach 58 81 232.
• Whitebeard Pirates — Invaded Marineford to rescue Teach, directly contributing to the failure of Headquarters’ public execution 242 248.
• Shichibukai — Summoned by World Government order to support Teach’s execution; Sengoku threatened to revoke their titles if they refused to fight 233 243.
• Marine Branch 16 — Former subordinate branch repeatedly investigated for irregularities before its eventual independence as the East Blue Navy 1 115 225.
• Cipher Pol / Assassination Tactics Special Unit — World Government-controlled body empowered to investigate, arrest, and judge Marines independently of Headquarters 412 492.