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.

Britain becomes first country to supply Ukraine with long-range missiles

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
Britain becomes first country to supply Ukraine with long-range missiles

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
Britain becomes first country to supply Ukraine with long-range missiles

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

May 11, 2023

Britain becomes first country to supply Ukraine with long-range missiles

By Peter Dickinson

Britain has confirmed it is providing Ukraine with long-range missiles. The decision is a major milestone in international efforts to support the Ukrainian fight back against Russia’s ongoing invasion, writes Peter Dickinson.

Conflict Freedom and Prosperity

UkraineAlert

May 8, 2023

Russia’s last red line: Will the West help Ukraine liberate Crimea?

By Dennis Soltys

The Crimean question has become a litmus test for Ukraine’s Western partners; do they want Ukraine to win the war, or are they merely seeking to avoid an outright Russian victory?

Conflict European Union

New Atlanticist

Apr 26, 2023

A glimpse of Sweden in NATO: Gotland could be a game-changer for Baltic defense

By Anna Wieslander and Eric Adamson

Sweden's largest military exercise in twenty-five years highlights the strategically important island of Gotland in defending NATO allies.

Europe & Eurasia Maritime Security

UkraineAlert

Apr 20, 2023

There can be no lasting peace with Russia until Ukraine liberates Crimea

By Mariia Zolkina

Some skeptics question the feasibility and wisdom of a military campaign to de-occupy Crimea, but no lasting peace with Putin's Russia will be possible until the Ukrainian peninsula is liberated, argues Mariia Zolkina.

Conflict Defense Policy

In the News

Apr 13, 2023

Anca Agachi on Radio Romania Actualitati discussed the Black Sea region’s security and stability, and US legislative efforts in this regard

By Anca Agachi

On April 13, Transatlantic Security Initiative nonresident fellow Anca Agachi discussed the Black Sea region’s security and stability and US legislative efforts in this regard on Romania’s PBS, Radio Romania Actualitati (in Romanian).  

Europe & Eurasia Maritime Security

UkraineAlert

Mar 22, 2023

Russia’s Black Sea blockade is part of Putin’s war on international law

By Oleksiy Goncharenko

By preventing the free passage of merchant shipping in the Black Sea, Russia deprives world markets of vital Ukrainian agricultural produce while also challenging the core principles of international maritime law.

Africa Conflict

Report

Mar 14, 2023

Improving Gulf security: A framework to enhance air, missile, and maritime defenses

By The Gulf Security Task Force

Looking at decades of US support and operations in the Gulf and recognizing a continued, arguably growing, air and maritime threat from Iran, the Atlantic Council Gulf Security Task Force developed a framework on how to best protect US and allies’ interests in this sensitive, always relevant region.

Conflict Crisis Management

New Atlanticist

Mar 14, 2023

What’s next for the US-UK-Australia submarine partnership?

By Atlantic Council experts

Dive into the details of the AUKUS submarine partnership just announced in San Diego by US President Joe Biden, UK Prime Minister Rishi Sunak, and Australian Prime Minister Anthony Albanese.

Australia Defense Technologies

New Atlanticist

Feb 28, 2023

What we learned from the Russia-China-South Africa military drills

By Atlantic Council experts

Why did these three nations get together? What’s in it for South Africa? Our experts set sail with the answers.

Africa China

In the News

Jan 28, 2023

Townsend featured on Deutsche Welle on Kyiv’s warning of Russian spring offensives

By James J. Townsend Jr.

On January 28, Transatlantic Security Initiative senior advisor Jim Townsend was quoted in Deutsche Welle on Kyiv’s warning of Russian spring offensives.

Conflict Europe & Eurasia
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Experts

Fellow

James J. Townsend Jr.

Senior Advisor

Scowcroft Center for Strategy and Security Transatlantic Security Initiative

Defense Policy Europe & Eurasia

Fellow

Philip W. Yu

Nonresident Senior Fellow

Indo-Pacific Security Initiative Scowcroft Center for Strategy and Security

China Indo-Pacific

Fellow

Katarzyna Zysk

Nonresident Senior Fellow

Scowcroft Center for Strategy and Security Transatlantic Security Initiative

Arms Control English

Events

Public Event Mon, April 13, 2026 • 9:00 am ET

Admiral Daryl Caudle on the strategic vision for the US Navy
Defense Policy Maritime Security National Security