United States Department of Defense - Wikipedia 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 commander-in-chief of the U S Armed Forces
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
About | U. S. Department of War The Department of Defense is America's largest government agency Our mission is to provide the military forces needed to deter war and ensure our nation's security
Defense One Discover how cyber adversaries stage attacks before execution and what agencies can do to stop them It will be the latest model available for sensitive but unclassified work on the platform Two
Latest Defense News | 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
Defense and National Security - Congressional Budget Office About one-sixth of federal spending goes to national defense CBO estimates the budgetary effects of legislation related to national security and assesses the cost-effectiveness of current and proposed defense programs
2026 National Defense Strategy Under President Trump’s leadership, consistent with his vision and direction as laid out in the National Security Strategy (NSS), the Department of War (DoW) is laser-focused on restoring peace