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.

Navy Adm. James A. Winnefeld Jr., vice chairman of the Joint Chiefs of Staff, addresses an audience at the Armed Forces Communications and Electronics Association 6th Annual Joint Warfighter IT Day, Vienna, Va., Sept. 12, 2013.

Navy Adm. James A. Winnefeld Jr., vice chairman of the Joint Chiefs of Staff, addresses an audience at the Armed Forces Communications and Electronics Association 6th Annual Joint Warfighter IT Day, Vienna, Va., Sept. 12, 2013.

Navy Adm. James A. Winnefeld Jr., vice chairman of the Joint Chiefs of Staff, addresses an audience at the Armed Forces Communications and Electronics Association 6th Annual Joint Warfighter IT Day, Vienna, Va., Sept. 12, 2013.

Photo Gallery