The general, as all top commanders of NATO's Allied Command Transformation (described as NATO's Warfare Development Command) in Norfolk, Virginia have been since his nation rejoined the NATO Military Command structure in 2009, is French. As the Supreme Allied Commander Europe is always American and the Deputy Supreme Allied Commander Europe is always British when he's not German.

While there he met with General James Dickinson, Commander of the United States Space Command; General Glen VanHerck, Commander of the United States Northern Command and the North American Aerospace Defense Command; and Lieutenant-General Alain Pelletier, Deputy Commander of North American Aerospace Defense Command.

NATO officially declared space its newest operational domain in 2019, adding to its other four battlefields: air, land, sea and cyberspace. It is currently setting up a NATO Space Centre at its Allied Air Command headquarters in Ramstein, Germany.