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.

Soldiers of the Army's 3rd U.S. Infantry Regiment, "The Old Guard," rehearse the order of actions to be executed as part of the Army's 233rd birthday tribute at the Tomb of the Unknowns in Arlington National Cemetery, Va., June 14, 2008. Senior Army leaders took part in the the event at the cemetery, and other events were held by Army personnel around the world. The U.S. Congress adopted "the American continental army" on June 14, 1775.

Soldiers of the Army's 3rd U.S. Infantry Regiment, "The Old Guard," rehearse the order of actions to be executed as part of the Army's 233rd birthday tribute at the Tomb of the Unknowns in Arlington National Cemetery, Va., June 14, 2008. Senior Army leaders took part in the the event at the cemetery, and other events were held by Army personnel around the world. The U.S. Congress adopted "the American continental army" on June 14, 1775.

Soldiers of the Army's 3rd U.S. Infantry Regiment, "The Old Guard," rehearse the order of actions to be executed as part of the Army's 233rd birthday tribute at the Tomb of the Unknowns in Arlington National Cemetery, Va., June 14, 2008. Senior Army leaders took part in the the event at the cemetery, and other events were held by Army personnel around the world. The U.S. Congress adopted "the American continental army" on June 14, 1775.

Photo Gallery