Department of Defense

Department of Defense Overview

The mission of the Department of Defense is to provide the military forces needed to deter war and to protect the security of our country. The department's headquarters is at the Pentagon.

The Secretary of Defense is the principal defense policy advisor to the President. Under the direction of the President, the Secretary exercises authority, direction, and control over the Department of Defense.

Resource Links

The Department of Defense is a critical ISE mission partner. Please visit these websites to learn more about their information sharing efforts.

• Office of the Secretary of Defense, Chief Information Officer
• DoD Information Sharing Strategy
• Defense Information Sharing Implementation Plan
• Defense Strategic Guidance