2010 년 4.26 일 기사 – 천안함 A North Korean torpedo attack was the most likely cause for the sinking of a ... 폭격사건 기사 2010 년 4.26 일 기사 – 천안함 Did the North send a submersible suicide bomber to destroy the South’s ... in the sinking, suggesting the Cheonan was struck by either a floating mine or enemy torpedo . - 미국정부