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.

A submarine travels through waters surrounded by two boats.

Submarine Sandwich

The ballistic missile submarine USS Alaska arrives at Her Majesty’s Naval Base Clyde, Scotland, July 2, 2019, for a scheduled port visit.

Photo Gallery