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.

Two penguins stand several yards from an ice-breaker ship.

Barger Antarctic medal

Two penguins waddle around near an ice-breaker ship in Antarctica in 1956.

Photo Gallery