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.

Northrop Grumman Newport News shipyard employees reattach a propeller to the Number 3 shaft of the aircraft carrier USS George Washington (CVN 73) at Newport News, Va., on July 23, 2005. The ship has four brass propellers that are 22 feet in diameter and weigh 66,200 pounds. The Nimitz-class aircraft carrier is undergoing a Docked Planned Incremental Availability at the Northrop Grumman Newport News Shipyard.

Northrop Grumman Newport News shipyard employees reattach a propeller.

Northrop Grumman Newport News shipyard employees reattach a propeller to the Number 3 shaft of the aircraft carrier USS George Washington (CVN 73) at Newport News, Va., on July 23, 2005. The ship has four brass propellers that are 22 feet in diameter and weigh 66,200 pounds. The Nimitz-class aircraft carrier is undergoing a Docked Planned Incremental Availability at the Northrop Grumman Newport News Shipyard.

Photo Gallery