Apr 30, 2026 · Our mission is to provide the military forces needed to deter war and ensure our nation's security.

The Department of Defense (DOD) provides the military forces needed to deter war, and to protect the security of the United States.

Defense News is a global website and magazine about the politics, business and technology of defense, serving senior military and industry decision-makers.

May 15, 2026 · Featuring the best practices in industry and plug-and-play components, Defense Travel System streamlines the entire process involved in global Department of …

1 day ago · Defense One provides news, analysis, and ideas about the future of national security to defense and industry leaders, innovative decision-makers, and in...

The Department of Defense is headed by the secretary of defense, a cabinet -level official who reports directly to the president of the United States. The president is …