Maritime Issues and Oceans

CSIS experts spotlight the maritime security environment in the Indo-Pacific, using regional experience and satellite imagery to provide leading analysis.

Saving Subic: Strategic Infrastructure, Development Finance, and the Limits of U.S. Economic Statecraft

When a top global shipyard in the Philippines went bankrupt, key gaps in the U.S. tool kit were exposed. This report details how the U.S. relied on private and allied partners to counter China and offers recommendations to better secure strategic infrastructure abroad.

Report by Thomas Bryja — April 13, 2026

U.S. Navy Fighting Instructions with the Chief of Naval Operations

Transcript — March 31, 2026

How to Lose a Navy in 10 Days

Commentary by Benjamin Jensen — March 12, 2026

Risk Beneath the Waves: Safeguarding Subsea Cables for a Secure Global Network

Digital Report by Romina Bandura, Erin Murphy, and Thomas Bryja — March 5, 2026

See all analysis on Maritime Issues and Oceans

Past Events

U.S. Navy Fighting Instructions with the Chief of Naval Operations

March 31, 2026 • 1:00 – 2:00 pm EDT

Hosted by Defense and Security

260https://www.csis.org/s3/files/styles/100x100/s3/2026-03/260311_Taiwanese_Views.jpg?h=266da715&itok=f434HRjq311_Taiwanese_Views

Taiwanese Views of the United States and China: Evidence from the 2026 American Portrait Survey

March 11, 2026 • 9:00 – 10:00 am EDT

Hosted by Freeman Chair in China Studies

Status of the Force with VADM Brendan McLane

January 16, 2026 • 3:00 – 4:00 pm EST

Hosted by Defense and Security

Congressional Perspectives on Maritime Security

October 7, 2025 • 4:00 – 4:45 pm EDT

Hosted by Maritime Security Dialogue

The Future of Naval Aviation: A Conversation with VADM Cheever

August 26, 2025 • 10:00 – 11:00 am EDT

Hosted by Defense and Security

Fifteenth Annual South China Sea Conference: The Role of Outside Parties

June 17, 2025 • 2:55 – 3:55 pm EDT

Fifteenth Annual South China Sea Conference: Evolving Alliance Networks

June 17, 2025 • 12:30 – 1:30 pm EDT

Fifteenth Annual South China Sea Conference: Legal Developments and Dispute Management

June 17, 2025 • 11:10 am – 12:10 pm EDT

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Gregory B. Poling

Director and Senior Fellow, Southeast Asia Program and Asia Maritime Transparency Initiative

Harrison Prétat

Deputy Director and Fellow, Asia Maritime Transparency Initiative

Joel Coito

Military Fellow, Defense and Security Department

Patrick Panjeti

Military Fellow, Defense and Security Department

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Saving Subic: Strategic Infrastructure, Development Finance, and the Limits of U.S. Economic Statecraft

Report by Thomas Bryja — April 13, 2026

Southeast Asia Radio

Pacific Airwaves - Investment, Influence, and Power Politics

John and Andreyka discuss the U.S.–Pacific Investment Summit, Deputy Secretary of State Christopher Landau’s travel throughout the region, and domestic politics across the Pacific.

Podcast Episode by John Augé and Andreyka Natalegawa — April 1, 2026

U.S. Navy Fighting Instructions with the Chief of Naval Operations

Join CSIS and USNI for a Maritime Security Dialogue event featuring Admiral Daryl Caudle, 34th Chief of Naval Operations.

Event — March 31, 2026

U.S. Navy Fighting Instructions with the Chief of Naval Operations

Join CSIS and USNI for a Maritime Security Dialogue event featuring Admiral Daryl Caudle, 34th Chief of Naval Operations.

Transcript — March 31, 2026

Southeast Asia Radio

Border War, Scam Centers, and Cambodian Politics

This week, Greg is joined by Sophal Ear to discuss Cambodian domestic politics and the Hun Manet government’s push against scam centers. Lauren and Japhet cover the latest in the region, from government turmoil in Malaysia to airstrikes in Myanmar.

Podcast Episode by Gregory B. Poling, Japhet Quitzon, Lauren Mai, and Japhet Quitzon — March 13, 2026

How to Lose a Navy in 10 Days

The naval strikes against Iran reveal how quickly modern fleets can be crippled. Today’s maritime campaigns aim not just to sink ships, but to blind sensors, disrupt command networks, and destroy ports—often within the opening days of war.

Commentary by Benjamin Jensen — March 12, 2026

Taiwanese Views of the United States and China: Evidence from the 2026 American Portrait Survey

Please join the Freeman Chair for a public event on the results of the latest American Portrait Survey in Taiwan, featuring an overview of the survey's findings, including Taiwanese perspectives on U.S.-Taiwan relations, China-Taiwan relations, defense spending, and more.

Event — March 11, 2026

Building Undersea Power: How China Aligns Strategy, Platform Development, and Operational Practice

China is strengthening its undersea warfare capabilities and operational training to expand from near-seas denial to far-seas power projection.

Blog Post by Yu Ting Chen — March 9, 2026

Risk Beneath the Waves: Safeguarding Subsea Cables for a Secure Global Network

The unprecedented dependence on subsea cables in the cyber era significantly raises the stakes of disruption, but they continue to face many old and new risks alike. CSIS examines the regulatory challenges and physical vulnerabilities of the lifelines of the digital age.

Digital Report by Romina Bandura, Erin Murphy, and Thomas Bryja — March 5, 2026

How Would Iran Respond to a U.S. Attack?

If the United States strikes Iran, how will Tehran respond? History suggests a calibrated mix of cyberattacks, drones, maritime pressure, and limited missile strikes designed to signal resolve while avoiding a wider regional war.

Critical Questions by Benjamin Jensen — February 26, 2026

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