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.

Defense Secretary James N. Mattis and a Marine face each other as other Marines stand by in formation.

Promotion Ceremony

Defense Secretary James N. Mattis promotes a Marine to the rank of staff sergeant after arriving at the U.S. Embassy in Islamabad, Dec. 4, 2017. DoD photo by Army Sgt. Amber I. Smith

Photo Gallery