Maritime Issues and Oceans

The Asia Maritime Transparency Initiative spotlights the maritime security environment in the Indo-Pacific.

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NATO and the Arctic

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

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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

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Why Are Destroyers Deploying to the Southern Border?

CSIS Americas Program associate fellow Henry Ziemer discusses the implications of recent deployment of U.S. navy destroyers to assist in southwest border operations.

Critical Questions by Henry Ziemer — April 3, 2025

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