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Harbor Defense Command
A Harbor Defense Command was a military organization of the United States Army Coast Artillery Corps designated in 1925 from predecessor organizations dating from circa 1895.〔Berhow, p. 430〕 It consisted of the forts, underwater minefields, and other coast defenses of a particular harbor or river. Harbor Defense Commands were disestablished in 1950.
==History==
These commands originated as Coast Artillery Districts, to control groups of forts constructed under the Endicott Program beginning in 1895. A 1909 reference shows that districts could include (depending on size) a Battle Command (later Fort Command), Fire Command, Mine Command, and Battery Commands.〔Berhow, p. 421〕 In 1913 the districts were redesignated as Coast Defense Commands, called "Coast Defenses of..." the area protected.〔(''Coast Artillery Organization: A Brief Overview'' at the Coast Defense Study Group website )〕〔Rinaldi, pp. 165-166〕 At this time Coast Artillery Districts became regional commands, each controlling several Coast Defense Commands. Several of these commands were disarmed and disestablished between World War I and World War II; some of these were rearmed in World War II with "Panama mounts", circular concrete platforms for towed 155 mm guns. In 1925 the Coast Defense Commands were redesignated as Harbor Defense Commands, called "Harbor Defenses of..." the area protected.〔Berhow, p. 430〕 After World War II all of these commands were disarmed within a few years, and they and the Coast Artillery Corps were disestablished in 1950.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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