Exercises

Japan's role in Combined Task Force 151: Strengthening maritime security

2026-01-12

Japan's leadership and contributions to Combined Task Force 151 showcase its pivotal role in global counter-piracy efforts and maritime security initiatives.

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A ShinMaywa US-2 from Japan’s Maritime Self-Defense Force idles at sea as US and Japanese crews conduct rescue swimmer drills, showcasing amphibious airpower and joint interoperability. [US Air Force]
A ShinMaywa US-2 from Japan’s Maritime Self-Defense Force idles at sea as US and Japanese crews conduct rescue swimmer drills, showcasing amphibious airpower and joint interoperability. [US Air Force]

Japan plays a critical role in the multinational efforts of Combined Task Force 151 (CTF 151), a naval force dedicated to counter-piracy operations.

Established 2009 under the US-led Combined Maritime Forces, CTF 151 safeguards vital shipping lanes in the Gulf of Aden, Somali Basin and adjacent waters.

Japan officially joined CTF 151 in December 2013 and has been a key contributor to its mission since February 2014.

Leadership and contributions to CTF 151

The Japan Maritime Self-Defense Force (JMSDF) has contributed leadership and resources to bolster CTF 151's counter-piracy operations.

This leadership role highlights Japan's active participation in global maritime security and its commitment to combating piracy in some of the world's most critical waterways.

The JMSDF has provided naval destroyers such as the JS Amangiri to escort commercial vessels and patrol piracy-prone areas.

Additionally, Japan has supplied patrol aircraft, enhancing the task force's intelligence, surveillance and reconnaissance (ISR) capabilities.

These assets play a vital role in deterring and disrupting piracy, allowing for the safer passage of vessels and safeguarding international trade.

Japan's participation in CTF 151 has also strengthened partnerships with other member nations, fostering a spirit of multilateral cooperation in combating maritime threats.

Japan has joined forces with the US, UK and South Korea reinforcing their role as a leader in maritime security.

This coalition works to uphold international law and protect commercial shipping from piracy and armed robbery.

Japan's active involvement in CTF 151 complements its broader commitment to global security initiatives.

As piracy evolves and new threats arise, Japan's counter-piracy efforts highlight its commitment to peace and stability across international waters.

Its role in CTF 151 highlights Japan's adaptability to global challenges and its trusted partnership in securing maritime trade and freedom of navigation worldwide.

Djibouti base: A strategic hub

Japan's Self-Defense Force Base in Djibouti, established in 2011, is its first overseas military installation and has proven essential in supporting counter-piracy efforts.

Positioned strategically near Djibouti's international airport, the base serves as a center for JMSDF operations, providing logistical support for naval patrols and ISR activities.

This hub underlines Japan's long-term commitment to regional security and bolsters cooperation with other nations, such as the US, France and Italy.

As part of CTF 151, Japan has become a vital partner in securing one of the world's busiest maritime corridors.

Its contributions highlight Japan's commitment to multilateral security, showing its engagement extends beyond self-interest toward ensuring peace and security for all nations.

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