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  1. United States Department of Defense - Wikipedia

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

  2. U.S. Department of Defense (DOD) | USAGov

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

  3. DEFENSE Definition & Meaning - Merriam-Webster

    The meaning of DEFENSE is the act or action of defending. How to use defense in a sentence.

  4. Department of Defense | History, Name Change, Secretary,

    5 days ago · The U.S. Department of Defense is an executive division of the U.S. federal government responsible for ensuring national security and supervising U.S. military forces. …

  5. Home | U.S. Department of War

    Our mission is to provide the military forces needed to deter war and ensure our nation's security.

  6. National Defense – The White House

    Jul 30, 2025 · Please leave blank.

  7. Defense News, Covering the politics, business and technology of defense

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

  8. U.S. Department of Defense

    Jul 31, 2025 · Learn how you can prepare, too. - Service members train and prepare year-round so when disasters strike, troops are ready to help those in harm’s way. Learn how you can …

  9. Defense - Federal News Network

    Defense news for the civilian and military communities and the defense industrial base. Trust Federal News Network for the latest issues affecting the DoD.

  10. DEFENSE | English meaning - Cambridge Dictionary

    DEFENSE definition: 1. US spelling of defence 2. the act of protecting someone or something against attack or criticism…. Learn more.