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The North Pacific Exploring and Surveying Expedition, also known as the Rodgers-Ringgold Expedition was a United States scientific and exploring project from 1853 to 1856. Commander Cadwalader Ringgold (1802–1867) led the expedition until he was relieved of command in Hong Kong by a commission convened by Commodore Matthew Perry. Lt. John Rodgers (1812–1882) then commanded the expedition until its conclusion. ==The expedition under Ringgold== Ringgold sailed on USS ''Porpoise'', a ship he had commanded during the U.S. Exploring Expedition years before. USS ''John Hancock'', commanded by Lt. John Rodgers and three other vessels including USS ''Vincennes'' would be the other vessels in the expedition. ''Porpoise'' joined the squadron at Hampton Roads, and with it, stood out to sea 11 June 1853. After stopping at Funchal, Madeira Islands; Porto Praya; and Simonstown, False Bay; the expedition arrived Batavia, Java, 12 December and in China in March 1854. Five months were devoted to surveying the waters surrounding the large islands off the coast of Southeast Asia. Early in May 1854, ''John Hancock'', with Rodgers commanding, departed for Hong Kong, where she arrived 24 May. The squadron operated from that port as its base throughout the summer, surveying nearby coasts, islands and rivers. At this time China was plagued by rebellion and pirates endangering foreigners and threatening their property. The American ships helped protect American citizens and interests. While steaming up the Canton River, two armed boats from ''John Hancock'' were fired upon by rebel batteries, which ''Hancocks cannon promptly silenced. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「North Pacific Exploring and Surveying Expedition」の詳細全文を読む スポンサード リンク
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