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.

At night, a submarine sits submerged in the water in front of an industrial complex.

USS Miami

The Los Angeles-class attack submarine USS Miami enters dry dock to begin an engineered overhaul at Portsmouth Naval Shipyard in Maine, March 15, 2012.

Photo Gallery