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.

Asta, a military police working dog, attacks U.S. Navy Petty Officer 2nd Class William Bryan during a controlled aggression demonstration at Ford Island on Joint Base Pearl Harbor-Hickam, Hawaii, April 13, 2013. The military uses working dogs to apprehend suspects and to detect explosives and narcotics while searching buildings, ships and submarines. Bryan is a master-at-arms.

ASTA ATTACK

Asta, a military police working dog, attacks U.S. Navy Petty Officer 2nd Class William Bryan during a controlled aggression demonstration at Ford Island on Joint Base Pearl Harbor-Hickam, Hawaii, April 13, 2013. The military uses working dogs to apprehend suspects and to detect explosives and narcotics while searching buildings, ships and submarines. Bryan is a master-at-arms.

Photo Gallery