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.

Navy Petty Officer 2nd Class Tammy Helm, right, Navy Petty Officer 3rd Class Erica Equaling and Cody Brashears assigned to the Naval Oceanography Mine Warfare Center move a remote environmental measuring units, or REMUS,100 during the first-ever Unmanned Warrior research and training exercise designed to test and demonstrate the latest in autonomous naval technologies while strengthening international interoperability in Lochalsh, U.K., Oct. 9, 2016. Navy photo by John F. Williams

Unmanned Warrior

Navy Petty Officer 2nd Class Tammy Helm, right, Navy Petty Officer 3rd Class Erica Equaling and Cody Brashears assigned to the Naval Oceanography Mine Warfare Center move a remote environmental measuring units, or REMUS,100 during the first-ever Unmanned Warrior research and training exercise designed to test and demonstrate the latest in autonomous naval technologies while strengthening international interoperability in Lochalsh, U.K., Oct. 9, 2016. Navy photo by John F. Williams

Photo Gallery