Navy Department. A division of the Department of Defense that oversees the operation and efficiency of the Navy, including the Marine Corps component (and the U.S. Coast Guard when operating as a naval service). • Established in 1798, the Department is headed by the Secretary of the Navy, who is appointed by the President and […]
Navy Department 〈美〉海军部 美国国防部〔Department of Defense〕分支机构之一，负责对包括海军陆战队部队〔Marine Corps Component〕和作为海军部队时的美国海岸警卫队〔U.S. Coast Guard〕在内的海军的作战和效率进行监督和管理；设立于1798年，首长为海军部长〔Secretary of the Navy〕，由总统任命并向国防部长〔Secretary of Defense〕报告工作。
Defense Department. An executive department of the federal government, responsible for coordinating and overseeing military affairs and the agencies responsible for national security. • The Department was established as the National Military Establishment in 1947, by combining the War and the Navy Departments. Its name was changed to Department of Defense in 1949. The Department’s
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United States Navy. The naval-operations branch of the United States armed forces, including naval aviation and the United States Marine Corps, and the United States Coast Guard when operating as a service in the Navy. • The United States Navy is under the authority of the U.S. Department of the Navy. — Abbr. USN.
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Defense Department 〈美〉国防部 根据《1949年国家安全法修正案》〔National Security Act Amendments of 1949〕成立的，负责有关国家安全的全部事务、对武装部队进行统一领导的联邦政府行政部门，其下属的军事部门包括陆军部〔Department of the Army〕、海军部〔Department of the Navy〕和空军部〔Department of the Air Force〕。由于国防部的前身是1947年根据《国家安全法》〔National Security Act〕成立的国家军事组织，因此有人把1947年作为国防部建立的时间。
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United States Coast Guard. A military service and armed-forces branch that enforces the federal laws applicable to waters subject to U.S. jurisdiction, administers laws and promulgates regulations for the safety of lives and property on waters under U.S. jurisdiction, carries out maritime rescue operations, performs oceanographic research, and at times serves as a specialized branch
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United States Marine Corps. The military service within the United States Navy whose forces are trained for land, sea, and air combat. • The United States Marine Corps is a separate service within the United States Navy under the authority of the U.S. Department of the Navy. — Abbr. USMC.
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