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.

A man stands at a podium with a U.S. flag in the background.

Pentagon Briefing

Joe Bryan, senior climate advisor to the secretary of defense, speaks virtually to the Department of Energy's Energy Exchange forum, Aug. 2, 2021.

Photo Gallery