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. Marine Gunnery Sgt. Lucca, an explosive-detection dog, shows off her formidable teeth while yawning on Camp Echo, Iraq, Jan. 10, 2009. Lucca, assigned to the 4th Infantry Division's 2nd Brigade Combat Team, is a mix of Belgian Malinois and German Shepherd and has served in the Marine Corps for more than two years.

LUCCA'S YAWN

U.S. Marine Gunnery Sgt. Lucca, an explosive-detection dog, shows off her formidable teeth while yawning on Camp Echo, Iraq, Jan. 10, 2009. Lucca, assigned to the 4th Infantry Division's 2nd Brigade Combat Team, is a mix of Belgian Malinois and German Shepherd and has served in the Marine Corps for more than two years.

Photo Gallery