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.

Photo: Ilja/Adobe Stock (AI-Generated)

Photo: Ilja/Adobe Stock (AI-Generated)

The U.S. Coast Guard and the Future of Maritime Cybersecurity

With nearly $25 billion in the One Big Beautiful Bill Act, a deep bench of cyber executive leaders, and recently expanded cyber authorities, the Coast Guard is poised to make generational improvements in maritime cybersecurity while bolstering its own cyber workforce.

Commentary by Joel Coito — October 23, 2025

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NATO and the Arctic

Podcast Episode by Commander Rachael Gosnell and Benjamin Jensen — July 16, 2024

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Experts

Gregory B. Poling

Gregory B. Poling

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

Harrison Prétat

Deputy Director and Fellow, Asia Maritime Transparency Initiative
Joel Coito

Joel Coito

Military Fellow, Defense and Security Department

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How to Secure the Black Sea During a Russia-Ukrainian Ceasefire

Securing a fragile Black Sea ceasefire demands more than diplomacy. NATO must field a multidomain fleet-in-being—one that deters Russia, respects Montreux limits, and projects power without draining overstretched naval forces elsewhere.

Commentary by Benjamin Jensen and Mark Montgomery — March 31, 2025

Murky Waters: Navigating the Risks of China’s Dual-Use Shipyards

China’s booming dual-use shipyards are accelerating its rapid naval buildup. This Hidden Reach investigation demystifies China’s murky shipbuilding ecosystem and explores the role foreign firms play in supporting it.

Digital Report by Matthew P. Funaiole, Brian Hart, and Aidan Powers-Riggs — March 25, 2025

Ship Wars: Confronting China’s Dual-Use Shipbuilding Empire

China is leveraging its globally dominant commercial shipbuilding industry to support its naval modernization—and foreign companies are inadvertently helping. This report outlines how the United States and its partners can confront China's dual-use shipyards.

Report by Matthew P. Funaiole, Brian Hart, and Aidan Powers-Riggs — March 11, 2025

Chinese Ports in Panama Come Under New Management

CSIS Americas Program director Ryan C. Berg, Christopher Hernandez-Roy, Juliana Rubio, Henry Ziemer, and Rubi Bledsoe examine the significant of a recent deal for BlackRock to acquire ports along the Panama Canal.

Critical Questions by Ryan C. Berg, Christopher Hernandez-Roy, Juliana Rubio, Henry Ziemer, and Rubi Bledsoe — March 6, 2025

What Is the Significance of Venezuela’s Naval Incursion into Guyana?

CSIS Americas Program director Ryan C. Berg, Christopher Hernandez-Roy, Rubi Bledsoe, Henry Ziemer, and Eitan Casaverde examine Venezuela's recent naval incursions into Guyanese waters.

Critical Questions by Ryan C. Berg, Christopher Hernandez-Roy, Rubi Bledsoe, Henry Ziemer, and Eitan Casaverde — March 5, 2025

Maritime Domain Lessons from Russia-Ukraine | Conflict in Focus

This week's 'Conflict in Focus' episode will feature a discussion on maritime lessons learned from the Russia-Ukraine war, including Ukraine’s and Russia’s strategic maritime objectives, unmanned surface vessel employment and Russia’s response, hybrid warfare, and more.

Event — February 27, 2025

Rocking the Boat: The Philippines Trade Strategy Amid Rising Geoeconomic Tensions

The Philippines has strengthened economic ties with the United States, South Korea, and Japan while navigating around China in the South China Sea. The CSIS Economics Program and Scholl Chair explore key questions on these shifting geopolitical dynamics.

Critical Questions by William Alan Reinsch and Reena Samuel — January 31, 2025