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United States Naval Ship
空间	美国海军舰船
英语 词库
United States Naval Ship
美国	A public vessel of the United States that is in the custody of the Navy and is: a. Operated by the Military Sealift Command and manned by a civil service crew; or b. Operated by a commercial company under contract to the Military Sealift Command and manned by a merchant marine crew (JP 4-01.2) 亦见 Military Sealift Command
美国宇航局, 缩写	USNS