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.

Army Gen. Martin E. Dempsey, left, chairman of the Joint Chiefs of Staff, looks on as he is introduced by a Harvard fellow before talking with national security students from Harvard University and nearby universities in Cambridge, Mass., April 22, 2015. Dempsey was on a two-day tour of the U.S. Naval Academy, U.S. Military Academy and Harvard University.

Army Gen. Martin E. Dempsey, left, chairman of the Joint Chiefs of Staff, looks on as he is introduced by a Harvard fellow before talking with national security students from Harvard University and nearby universities in Cambridge, Mass., April 22, 2015. Dempsey was on a two-day tour of the U.S. Naval Academy, U.S. Military Academy and Harvard University.

Army Gen. Martin E. Dempsey, left, chairman of the Joint Chiefs of Staff, looks on as he is introduced by a Harvard fellow before talking with national security students from Harvard University and nearby universities in Cambridge, Mass., April 22, 2015. Dempsey was on a two-day tour of the U.S. Naval Academy, U.S. Military Academy and Harvard University.

Photo Gallery