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. Navy Seabees use an excavator and shovels to fill barriers with sand during construction of a security wall in Tarnak, Afghanistan, April 9, 2010. The Seabees are assigned to Naval Mobile Construction Battalion 133, Detachment 6, which is in the U.S. Central Command area of responsibility.

SAND SHOVELERS

U.S. Navy Seabees use an excavator and shovels to fill barriers with sand during construction of a security wall in Tarnak, Afghanistan, April 9, 2010. The Seabees are assigned to Naval Mobile Construction Battalion 133, Detachment 6, which is in the U.S. Central Command area of responsibility.

Photo Gallery