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 soldier shown in silhouette conducts tests while wearing personal protective equipment.

Testing Time

A soldier conducts atmospheric testing during chemical, biological, radiological and nuclear training in Dugway, Utah, Feb. 1, 2023.

Photo Gallery