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.

Heavy smoke rises from the top of a building.

Remember 9/11

The World Trade Center burns in the background of New York City’s Empire State Building, Sept. 11, 2001. Both World Trade Center towers were attacked as a result of a highly coordinated al-Qaida plot.

Photo Gallery