At 9:22 p.m. on March 26, an underwater explosion ripped apart the South Korean navy ship Cheonan, steaming with 104 sailors at 6 kt., 2.5 km. (1.5 mi.) off Baengnyeong Island near the sea border with North Korea. The Cheonan, a 1,200-ton Pohang-class corvette built in 1989, was torn in two. The stern sank in about a minute. The bow section, with 58 survivors clinging to the port side, drifted east and sank at 11:20 p.m. The loss of power after the explosion forced Cdr. Choi Wonil, ...


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