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The United States Department of the Navy (DON) is one of the three military departments within the Department of Defense of the United States of America.It was established by an Act of Congress on 30 April 1798, at the urging of Secretary of War James McHenry, to provide a government organizational structure to the United States Navy (USN); since 1834, it has exercised jurisdiction over the ...
The United States Navy ( USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the world's most powerful navy and the largest by tonnage, at 4.5 million tons in 2021 [9] and in 2009 an estimated battle fleet tonnage that exceeded the next 13 navies combined. [10]
Furthermore, per sections 8001(a)(1), 5061(4), and 5062(a) of title 10, U.S. Code, (1) the United States Navy does not include the United States Marine Corps (2); the U.S. Marine Corps is a separate component service, from either the U.S. Navy or the U.S. Coast Guard within the Department of the Navy; and (3) the U.S. Marine Corps is not a ...
The Office of Naval Intelligence ( ONI) is the military intelligence agency of the United States Navy. Established in 1882 primarily to advance the Navy's modernization efforts, [4] it is the oldest member of the U.S. Intelligence Community and serves as the nation's premier source of maritime intelligence. [5]
The secretary of the Navy ( SECNAV) is a statutory officer ( 10 U.S.C. ยง 8013) and the head ( chief executive officer) of the Department of the Navy, a military department within the United States Department of Defense . By law, the secretary of the Navy must be a civilian at least five years removed from active military service.
Other military service members may also receive specific Navy Department military awards, provided such service members are performing duty under a Navy or Marine Corps command. Likewise, a Navy or Marine Corps service member may receive medals and decorations of another military branch, if cross assigned to a command of the respective service.
The U.S. Navy's Bureau of Navigation was established in 1862 as part of the reorganization of the Navy Department. Principal responsibilities were to provide nautical charts and instruments and to oversee several activities involved navigation research, including the Naval Observatory. In 1889, the Bureau gained responsibilities for personnel ...
The systems commands, abbreviated as SysCom or SYSCOM, are the materiel agencies of the United States Department of the Navy, responsible for the design, construction, and maintenance of military systems such as ships, aircraft, facilities, and weapons. The systems commands replaced the Navy bureau system in 1966 and report to the Assistant ...