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.

Transportation:  Aviation

Agreement signed at Victoria December 7, 2015; entered into force January 7, 2016.

Download attachment [853 KB]

U.S. Department of State

The Lessons of 1989: Freedom and Our Future