美國國防部 一

美國的國防部 US department of defense

在國防部下面是三個下屬軍事部門：美國陸軍部，美國海軍部和美國空軍部。此外，四個國家情報部門隸屬於國防部：國防情報局(DIA), 國家安全局(NSA), 國家地理空間情報局(NGA) 和國家偵察辦公室(NRO)。其他國防機構包括國防高級研究計劃局(DARPA)，國防後勤局(DLA)，導彈防禦局(MDA)，國防衛生局(DHA)，國防威脅降低機構(DTRA), 國防安全局(DSS) 和五角大樓保護局 (PFPA)，所有這些都在國防部長的指揮下。此外，國防合同管理局（DCMA）通過從工廠車間向作戰人員提供可操作的採集情報, 提供重要的採購洞察力. 軍事行動由十個區域或功能性統一作戰司令部管理. 國防部還經營著幾所聯合服務學校, 包括國防大學(NDU) 和國家戰爭學院(NWC).

Beneath the Department of Defense are three subordinate military departments: the United States Department of the Army, the United States Department of the Navy, and the United States Department of the Air Force. In addition, four national intelligence services are subordinate to the Department of Defense: the Defense Intelligence Agency (DIA), the National Security Agency (NSA), the National Geospatial-Intelligence Agency(NGA), and the National Reconnaissance Office (NRO). Other Defense Agencies include the Defense Advanced Research Projects Agency(DARPA), the Defense Logistics Agency (DLA), the Missile Defense Agency (MDA), the Defense Health Agency (DHA), Defense Threat Reduction Agency (DTRA), the Defense Security Service (DSS), and the Pentagon Force Protection Agency (PFPA), all of which are under the command of the Secretary of Defense. Additionally, the Defense Contract Management Agency (DCMA) provides acquisition insight that matters, by delivering actionable acquisition intelligence from factory floor to the warfighter. Military operations are managed by ten regional or functional Unified combatant commands. The Department of Defense also operates several joint services schools, including the National Defense University(NDU) and the National War College (NWC).