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.

Members of the caisson platoon of the 3rd U.S. Infantry Regiment, known as "The Old Guard," march down Pennsylvania Avenue in Washington, D.C., Jan. 13, 2013, during a dress rehearsal for the Inauguration Day parade Jan. 21.

Members of the caisson platoon of the 3rd U.S. Infantry Regiment, known as "The Old Guard," march down Pennsylvania Avenue in Washington, D.C., Jan. 13, 2013, during a dress rehearsal for the Inauguration Day parade Jan. 21.

Members of the caisson platoon of the 3rd U.S. Infantry Regiment, known as "The Old Guard," march down Pennsylvania Avenue in Washington, D.C., Jan. 13, 2013, during a dress rehearsal for the Inauguration Day parade Jan. 21.

Photo Gallery