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.

Deputy Defense Secretary Ashton B. Carter addresses U.S. Sen. Dick Lugar of Indiana, left, and former U.S. Sen. Sam Nunn of Georgia, center, at the Nunn-Lugar Cooperative Threat Reduction Symposium at National Defense University in Washington, D.C., Dec. 3, 2012.

CARTER ADDRESS

Deputy Defense Secretary Ashton B. Carter addresses U.S. Sen. Dick Lugar of Indiana, left, and former U.S. Sen. Sam Nunn of Georgia, center, at the Nunn-Lugar Cooperative Threat Reduction Symposium at National Defense University in Washington, D.C., Dec. 3, 2012.

Photo Gallery