Maritime Security

Maritime Security

Seaborne commerce and freedom of navigation are inextricably intertwined, with both contributing to the success and prosperity of the liberal world order. But maritime security is under threat both from great-power competitors and from non-state actors. Policy makers must come up with new solutions to resolve threats to maritime security and to secure a free and open maritime system in cooperation with allies and partners.

Ukraine tightens drone blockade of Russian-occupied Crimea

TURKEYSource Nov 13, 2024

Quiet before the storm: Is a new maritime security order taking shape in the Black Sea region?

By Serhat Güvenç

While Turkey and Europe have their own maritime strategies for the Black Sea, finding ways of cooperation is critical to counter Russia’s maritime power.
Eastern Europe Europe & Eurasia
Ukraine tightens drone blockade of Russian-occupied Crimea

New Atlanticist Oct 24, 2024

Dispatch from Taiwan: China’s military drills look more frightening outside of Taiwan than from inside

By Brian Kerg

The US and its allies took note when China launched large military exercises around Taiwan just after October 10. But it’s also important to pay attention to how Taiwanese reacted to Beijing’s saber-rattling.
China East Asia
Ukraine tightens drone blockade of Russian-occupied Crimea

New Atlanticist Oct 15, 2024

How the US and the Philippines should counter Beijing’s aggression in the South China Sea

By Elizabeth Freund Larus and James Rice

Washington, Manila, and their Indo-Pacific allies must work together to counter China’s maritime aggression in Philippine waters.
China Indo-Pacific

Content

UkraineAlert

Jun 23, 2026

Ukraine tightens drone blockade of Russian-occupied Crimea

By Maksym Beznosiuk, William Dixon

Ukraine is currently conducting a mid-range drone strike campaign aiming to cut access to Russian-occupied Crimea and place the Black Sea peninsula under a logistics lockdown, write Maksym Beznosiuk and William Dixon.

Conflict Defense Technologies

Dispatches

Jun 22, 2026

The Ankara summit is an opportunity for NATO to ramp up engagement with its southern neighborhood

By Jason Davidson, Matt Trunkey

The Alliance can use the upcoming summit in Turkey to advance four policies that will help it increase its security along its south.

Europe & Eurasia Maritime Security

Dispatches

Jun 22, 2026

Experts react: What a President Abelardo de la Espriella means for Colombia and beyond

By Atlantic Council experts

The right-wing candidate has emerged as the winner of Colombia’s runoff election for president, marking an important break with the outgoing administration.

Colombia Elections

Dispatches

Jun 17, 2026

NATO’s southern flank is exposed. Portugal can help fortify it.

By Randi Charno Levine

The Alliance was not designed to focus only on its easter flank. Vulnerabilities to NATO’s south are accumulating faster than strategy is adapting.

Maritime Security NATO

Timely Commentary & Analysis

Jun 17, 2026

Braw in Financial Times on the threat of private subsea cables

By Elisabeth Braw

On June 17, Transatlantic Security Initiative senior fellow Elisabeth Braw published an article in Financial Times on how American hyperscalers are creating a national security risk for other countries be building their own subsea cables.

Europe & Eurasia Maritime Security

Timely Commentary & Analysis

Jun 17, 2026

Braw in Foreign Policy on the effects of the uncertainty of the Iran ceasefire on shipping

By Elisabeth Braw

On June 17, Transatlantic Security Initiative senior fellow Elisabeth Braw published an article in Foreign Policy on how the uncertainty of the Trump administration’s ceasefire in Iran has not alleviated the constraints on shipping through the Strait of Hormuz.

Maritime Security Middle East

Timely Commentary & Analysis

Jun 16, 2026

Braw in France24 on a joint British-French mission to restart shipping in the Strait of Hormuz

By Elisabeth Braw

On June 17, Transatlantic Security Initiative senior fellow Elisabeth Braw was mentioned in France 24 about a joint British-French mission to help restart shipping in the Strait of Hormuz.

Maritime Security Middle East

Dispatches

Jun 12, 2026

It’s not a ‘deal.’ But Trump’s memorandum with Iran can be the start of something bigger.

By Jonathan Panikoff

What appears to be emerging now is a rough outline and high-level explanation of the concepts that an eventual deal could include.

Conflict Iran

Dispatches

Jun 12, 2026

The United States needs more amphibious ships at the ready

By Caleb Eames, Amy Cowley

A combined Amphibious Ready Group and Marine Expeditionary Unit bring a tremendous capability, but only if there are enough ships available.

Maritime Security Security & Defense

Timely Commentary & Analysis

Jun 5, 2026

Braw in UtilityWeek on Russian attacks on subsea infrastructure

By Elisabeth Braw

On June 5, Transatlantic Security Initiative senior fellow Elisabeth Braw was mentioned in an article by UtilityWeek discussing Russian attacks on British subsea infrastructure.

Europe & Eurasia Maritime Security
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Experts

Fellow

John B. Barranco

Nonresident Senior Fellow

Forward Defense Scowcroft Center for Strategy and Security

Americas Iraq

Fellow

Gavin Clough

2023-24 Senior US Navy Fellow

Scowcroft Center for Strategy and Security

Defense Policy Eastern Europe
Peter Gautier is a nonresident senior fellow at the Adrienne Arsht National Security Resilience Initiative.

Fellow

Peter Gautier

Nonresident Senior Fellow

Adrienne Arsht National Security Resilience Initiative Scowcroft Center for Strategy and Security

Crisis Management Critical Infrastructure Policy

Fellow

Thayz Guimarães

Nonresident Fellow

Global China Hub

Americas Brazil

Fellow

Brian Kerg

Nonresident Fellow

Indo-Pacific Security Initiative Scowcroft Center for Strategy and Security

Conflict East Asia

Fellow

Sarah Kirchberger

Nonresident Senior Fellow

GeoStrategy Initiative Scowcroft Center for Strategy and Security

China Defense Industry
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Events

Public Event Fri, June 26, 2026 • 12:30 pm ET

Frontlines of the South China Sea: Fireside chat with Rear Admiral Jay Tarriela
Indo-Pacific Maritime Security Security & Defense