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.

Leon E. Panetta arrives at the Pentagon before taking the oath of office as the 23rd Secretary of Defense during a Pentagon ceremony on July 1, 2011.

Leon E. Panetta arrives at the Pentagon before taking the oath of office.

Leon E. Panetta arrives at the Pentagon before taking the oath of office as the 23rd Secretary of Defense during a Pentagon ceremony on July 1, 2011.

Photo Gallery