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 ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Air Force airmen simulate an enemy attack during a North Star exercise.

U.S. Air Force airmen simulate an enemy attack during a North Star exercise in Cocheo Park at Vandenberg Air Force Base, Calif., on June 24, 2009.

The Department of Defense provides the military forces needed to deter war and ensure our nation's security.

Photos