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

The president is commander-in-chief of the U.S. Armed Forces. Within the Department of Defense are three subordinate military departments: the Department of the Army, the Department of the Navy, …

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

4 days ago · U.S. Department of Defense (DoD), executive division of the U.S. federal government responsible for ensuring national security and supervising U.S. military forces.

Nov 18, 2025 · DIA provides military intelligence to warfighters, defense policymakers, and force planners in the Department of Defense and the Intelligence Community.

View the full A-Z list of all Department of Defense and service branch websites and social media sites. The Department of War has many components aside from the service branches. Find some of the …

O departamento é chefiado pelo Secretário de Defesa, autoridade de nível ministerial que responde diretamente ao Presidente dos Estados Unidos, este último atuando, conforme estabelecido na …

Jan 23, 2026 · That is all changing now. 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 …

O departamento é chefiado pelo Secretário de Defesa, autoridade de nível ministerial que responde diretamente ao Presidente dos Estados Unidos, este último atuando, conforme estabelecido na …

As the head of the department, the secretary of defense is the chief witness for the congressional committees with oversight responsibilities over the Department of Defense.