South Korea is marking the eighth anniversary of the sinking of the warship Cheonan,...a disaster believed to have been caused by a North Korean torpedo.<br />Forty-six South Korean sailors were killed in the attack.<br /> Remembering the day,... the South Korean Navy is reaffirming its strong will to protect the nation's territorial waters.<br />The Navy has confirmed the size of its annual maneuvers, taking place in waters around the country,... will be the same level as last year.<br />Today's maneuvers will include some 20 vessels, maritime patrol aircrafts and airplanes.<br />North Korea continues to deny it was behind the sinking,... and has not apologized for the incident. <br />
