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.

Smoke blows in the air as a submarine enters a dock in the dark illuminated by street and building lights.

Dock Duty

The USS New Mexico enters a dry dock at Portsmouth Naval Shipyard in Kittery, Maine, March 24, 2026. The submarine is beginning a major overhaul to ensure it remains a capable and deadly warfighting asset that is prepared to defend the homeland, deter adversaries and prevail in war.

Photo Gallery