An official website of the United States Government Here's how you know

Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Entered into force March 30, 2009.

In accordance with Article II, the Protocol entered into force when each of the Parties to the North Atlantic Treaty had notified the Government of the United States of America of its acceptance of the Protocol.

Download Status List [117 KB]

U.S. Department of State

The Lessons of 1989: Freedom and Our Future