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 Coast Guard cutter navigates through icy water.

Icy Endeavor

The Coast Guard cutter Polar Star transits through pack ice in the Southern Ocean, Dec. 28, 2022. Polar Star is en route to Antarctica in support of Operation Deep Freeze, a joint service, interagency operation for the National Science Foundation, which manages the U.S. Antarctic Program.

Photo Gallery