Prénom de l'expert

Jean-Louis

Nom de l'expert

LOZIER

Advisor, Security Studies Center, Ifri

Research Areas:

Nuclear deterrence
Naval and maritimes issues
Arctic

A soldier watching a sunset on an armored infantry fighting vehicle

Security Studies Center

Nuclear ballistic missile submarine, in transit on the surface

Deterrence and Proliferation

Jean-Louis Lozier is an Advisor to Ifri's Security Studies Center and a naval officer who has served for 39 years in the French Navy. He left active duty in august 2020. He entered the naval academy in 1981. His career at sea has been mainly onboard submarines. He commanded one SSN (1997-1999) and two SSBNs (2004-2006). Jean-Louis Lozier attended the staff course (ACSC3) in the UK, holds a MA in defense studies from King’s college, and attended the NATO defense college senior course 113.

Promoted flag officer in 2012, he held during eight years high responsibility assignments, among them head of the nuclear forces directorate (2012-2014) and inspector of nuclear weapons (2014-2015). As vice-admiral, he was from 2018 to 2020 « préfet maritime de l’Atlantique » (coordination of governmental action at sea) and commanding operations in the Atlantic and Arctic areas.

Support independent French research

Ifri, a foundation recognized as being of public utility, relies largely on private donors – companies and individuals – to guarantee its sustainability and intellectual independence. Through their funding, donors help maintain the Institute's position among the world's leading think tanks. By benefiting from an internationally recognized network and expertise, donors refine their understanding of geopolitical risk and its consequences on global politics and the economy. In 2024, Ifri will support more than 70 French and foreign companies and organizations.

You are a professional You are an individual

Analysis from Jean-Louis LOZIER

Publications

Press

Studies

Barracuda-class SSN Suffren at sea near Toulon, October 2020

Naval Nuclear Propulsion: The Technical and Strategic Challenges of a Restricted Technology

08 November 2023

The technical and operational capabilities of naval nuclear propulsion - discretion, power, autonomy and manoeuvrability - make this technology a strategic asset for nuclear deterrence.

Heloïse FAYET Jean-Louis LOZIER

Memos

Russia tests a new nuclear-capable intercontinental ballistic missile Sarmat, April 20, 2022

First Nuclear Lessons from the War in Ukraine

18 May 2022

The invasion of Ukraine by Russian forces on February 24^th displays undeniable nuclear attributes. The purpose of this text is to analyze the initial lessons of this conflict, with regard to the balance of forces between nuclear powers.

Jean-Louis LOZIER

Studies

The Multi-Purpose Frigate (FREMM) Bretagne sails among the icebergs. North Atlantic Ocean, October 2018.

Arctic: Toward the End of the Exception? Strategic, Nuclear and Maritime Issues in the Region

26 April 2022

Through multiple international initiatives, including the creation of the Arctic Council at the end of the Cold War in 1996, the Arctic appears to be one of the last areas of peaceful cooperation in the world. This “Arctic exception” is also devoid of any serious territorial dispute between the neighboring countries, some of which are nevertheless great powers: Russia, the United States, Canada, but also Sweden, Norway, Denmark (via Greenland), Iceland and Finland.

Jean-Louis LOZIER