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.

Sailors stand atop a submarine as it heads to port.

USS North Dakota

The nuclear-powered fast-attack submarine USS North Dakota transits the Thames River as it pulls into its homeport at Naval Submarine Base New London in Groton, Conn., Jan. 31, 2019.

Photo Gallery