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.

Defense Secretary Ash Carter shakes hands with Adm. Jonathan Greenert, retiring chief of naval operations, prior to a change-of-office ceremony between Greenert and the incoming chief, Adm. John Richardson, at the U.S. Naval Academy in Annapolis, Md., Sept. 18, 2015. DoD Photo by Glenn Fawcett

Saying Goodbye

Defense Secretary Ash Carter shakes hands with Adm. Jonathan Greenert, retiring chief of naval operations, prior to a change-of-office ceremony between Greenert and the incoming chief, Adm. John Richardson, at the U.S. Naval Academy in Annapolis, Md., Sept. 18, 2015. DoD Photo by Glenn Fawcett

Photo Gallery