Britannica Sources used in this answer

North Atlantic Treaty Organization - Organization

Where are NATO’s Allied Command Operations and Allied Command Transformation headquartered?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

Flag of NATO featuring a white compass rose emblem with four lines radiating from the center on a blue background. — North Atlantic Treaty Organization Flag of the North Atlantic Treaty Organization (NATO).

The North Atlantic Treaty Organization (NATO) maintains two strategic military commands, each with its own headquarters:

Allied Command Operations (ACO): This command is located at Supreme Headquarters Allied Powers Europe (SHAPE) in Casteau, Belgium.1
Allied Command Transformation (ACT): This command is headquartered in Norfolk, Virginia, in the United States.1