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.

U.S. soldiers put on masks and special clothing for chemical, biological, radiological and nuclear validation and certification training, alongside German soldiers at Grafenwoehr Training Area near Rose Barracks, Germany, March 4, 2015. The soldiers are assigned to Headquarters and Headquarters Troop, Regimental Engineer Squadron.

U.S. soldiers put on masks and special clothing for chemical, biological, radiological and nuclear validation and certification training, alongside German soldiers at Grafenwoehr Training Area near Rose Barracks, Germany, March 4, 2015. The soldiers are assigned to Headquarters and Headquarters Troop, Regimental Engineer Squadron.

U.S. soldiers put on masks and special clothing for chemical, biological, radiological and nuclear validation and certification training, alongside German soldiers at Grafenwoehr Training Area near Rose Barracks, Germany, March 4, 2015. The soldiers are assigned to Headquarters and Headquarters Troop, Regimental Engineer Squadron.

Photo Gallery