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.

Three helicopters prepare for a refueling exercise with a low sun over the mountains.

Ridgetop Refueling

Two Army MH-60M Black Hawk helicopters and a Marine Corps CH-53E Super Stallion prepare to participate in an aerial refueling exercise during a weapons and tactics Instructor course in Yuma, Ariz., Oct. 6, 2017. Marine Corps photo by Sgt. Allison Lotz

Photo Gallery