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12th Marine Littoral Regiment announced, USMC remains ready to address regional security challenges
12 Jan 2023

12th Marine Regiment, currently stationed on Camp Hansen, is scheduled to transition to the 12th Marine Littoral Regiment (MLR) by fiscal year 2025. 12th MLR will remain stationed in Okinawa. No force-level increase will occur in Okinawa under the agreement and personnel levels will not exceed those outlined in the 2012 Defense Policy Review Initiative (DPRI) Realignment Plan.

“There are two primary responsibilities we have (here),” said Lt. Gen. James W. Bierman, III Marine Expeditionary Force Commanding General. “First is to conduct ourselves in a way that deters aggression, to prevent a war that I think would be catastrophic for the region and all of our collective interests. We're trying to prevent that. And secondarily, we have a responsibility to be ready for a conflict if it occurs.”

As outlined by the United States and Government of Japan Security Consultative Committee (2+2), our two nations' commitment to the basic tenets of DPRI remain intact, such as the planned, conditions-based future return of more U.S. installations in Okinawa, established troop levels, as well as the agreed upon strategic redistribution of US forces to Guam and elsewhere in the Indo-Pacific.
Marines remain in Okinawa, a strategically important location, to provide the forward presence needed to maintain deterrence, help ensure the defense of Japan, and preserve peace, security, and economic prosperity in the Indo-Pacific region.

Once established, 12th MLR will provide a ready and capable stand-in force in the first island chain, prepared to support the U.S.-Japan alliance, bolstering our ability to support deterrence efforts and respond to contingencies. 12th Marine Regiment currently falls under the command of 3d Marine Division, III Marine Expeditionary Force. This command relationship will remain in place after 12th Marine Regiment transitions to 12th MLR.

The MLR, the Marine Corps’ newest and most advanced naval formation, which is intended to operate and maneuver in a contested maritime domain, is designed to be a self-deployable multi-domain naval force which will contribute to our overall integrated deterrence architecture and provide an immediate and capable contingency response.

“What we’ve learned in the process of working with the joint force and with allies and partners is that what’s probably as important as sensing, reconnaissance, and the enabling of joint combined kill chains is that we stand in and buy time and space for the rest of the joint force,” said Bierman.

To maintain the number at the agreed upon troop levels, units identified to remain in Okinawa per the previous agreement will be strategically dispersed throughout the Indo-Pacific Theater, with Guam to serve as an important logistics hub in the future.
“III MEF is a key component of the stand in force, but we're not alone,” said Bierman. “We are working with forward deployed U.S. Joint Forces, and with our allies and partners, particularly the Japanese. There are a lot of very complementary capabilities with the Japanese military and we work together daily. There are Japanese officers who work in the III MEF headquarters. Similarly, I have officers that work together in their headquarters. All of us are making it a common cause to refine our processes the way we operate to be more effective.”

We remain committed to preserving the key tenets of the DPRI realignment plan, including the GOJ’s financial contributions to the Guam relocation plan, completion of the FRF, the start of relocation of Marines from Okinawa by the end of 2024, base consolidation, and land returns.

For questions regarding this release, please email III Marine Expeditionary Force Communication Strategy and Operations at




沖縄県海兵隊キャンプ・コートニー ―キャンプ・ハンセンに駐屯している第 12 海兵連隊は第 12 海兵沿岸連隊(MLR)として2025年度に改編される予定です。12MLR は引き続き沖縄 に駐留します。沖縄県の部隊や兵士の数は 2012 年の防衛政策見直し協議(DPRI)の合意のも と、増加しません。


「海兵隊には 2 つの重要な責任があります」と第三海兵遠征軍総司令官ジェームズ・W・ビア マン中将が述べています。「一つは私たちの共通の関心事であり、侵略を抑止し、地域を壊滅 状態に陥れる戦争を阻止する事です。私たちは常に阻止に向けた努力をしています。二つ目は 衝突が起こった際に即時に対応できる責任です。」


日米安全保障協議委員会(2 プラス2)の概要の沿った両国の合意に基づき、条件付きではあ るが将来的にさらに軍の施設を沖縄に返還し、策略的に軍事力をグアムやインド・太平洋地域 に再配置します。


海兵隊は戦略的に非常に重要な沖縄に引き続き駐留しますが、抑止力として日本を守り、イン ド・太平洋地域の平和安定、経済の繁栄に尽力します。


発足後、12MLR は第一列島線において有能な即応部隊として日米同盟を支援し、抑止力強化 や有事の際にも対応できる能力をもたらします。第12海兵連隊は現在、第三海兵遠征軍第 3 海兵師団下にいます。この指揮系統は 12MLR への改編後も変わりません。


海兵沿岸部隊は海兵隊の最新で最先端の海軍編成部隊で紛争中の海洋地域で策略作戦を遂行 し、自己展開型のマルチドメインの海軍事力を持ち、私たちの統合的な抑止力の骨格となり、 有事の際に即時に対応が可能になります。


「同盟国やパートナー国との統合軍から学んだことは感知、偵察、キルチェーンを統合可能と 同様に重要なことは海兵隊が時間とスペースを他の同盟国やパートナー国のために稼ぐことで す」とビアマン中将は述べました。


前回の合意で決まった沖縄に駐留する海兵隊の兵士数や部隊は維持され、残りはグアムを重要 なハブとし、戦略的にインド・太平洋地域に分散配置されます。 


「第三海兵遠征軍は即応部隊として重要な要であるが、自分たちは孤軍ではない」とビアマン 中将は語りました。「私たちは前衛展開している米統合軍や同盟国やパートナー国、特に日本 と一緒に任務にあたっています。日本の自衛隊とは日常的にお互いを補い合う関係です。私た ちの司令部で働く自衛官もいます。また、同じように自衛隊司令部で勤務する海兵隊の兵士も います。常により効果的に作戦が遂行できるように私たちは日々向上を目指します。」


私たちは防衛政策見直し協議の合意を保つことをコミットしており、それらには日本政府のグ アム移転のための出資や普天間航空基地代替施設の完了、2024年末までにグアムへ移転や 基地の返還を始めることも含まれます。


質問がありましたら第三海兵遠征軍広報運用企画部までメッセージを お願いします。

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