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

Photos

Snapshots of what’s happening in the Defense Department.

Chairman of the Joint Chiefs of Staff Adm. Mike Mullen departs the Chinese People's Liberation Army-Navy submarine Yuan at the Zhoushan Naval Base in China on July 13, 2011.

Adm. Mike Mullen departs the Chinese People's Liberation Army-Navy submarine Yuan.

Chairman of the Joint Chiefs of Staff Adm. Mike Mullen departs the Chinese People's Liberation Army-Navy submarine Yuan at the Zhoushan Naval Base in China on July 13, 2011.

Photo Gallery