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.

Sailors climb the main mast of a ship.

Main Mast

Sailors climb the main mast of the USS Constitution to install a topsail 175 feet above the deck, in Boston, Aug. 13, 2018. Navy photo by Petty Officer 1st Class Joshua Hammond

  • Download: Full Size (0.95 MB)
  • Credit: Petty Officer 1st Class Joshua Hammond VIRIN: 180813-N-NZ935-0082C.JPG
Photo Gallery