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.

A sign details the sequence of events during a large-scale map exercise at the D.C. Armory in Washington, D.C., Dec. 18, 2008.

A sign details the sequence of events during a large-scale map exercise at the D.C. Armory in Washington, D.C., Dec. 18, 2008.

A sign details the sequence of events during a large-scale map exercise at the D.C. Armory in Washington, D.C., Dec. 18, 2008.

Photo Gallery