I guess Im wrong
wait
http://en.wikipedia.org/wiki/List_of_border_incidents_involving_North_Korea2000s
* 2001: On twelve separate occasions, North Korean vessels cross the Northern Limit Line and then retreat.
* November 27, 2001: North and South Korean forces exchange fire without injuries.
* June 29, 2002: Renewed naval clashes near the Northern Limit Line lead to the deaths of four South Korean sailors and the sinking of a North Korean vessel. The number of North Koreans killed is unknown.
* November 16, 2002: South Korean forces fire warning shots on a Northern boat crossing the Northern Limit Line. The boat retreats. The incident is repeated on November 20.
* February 19, 2003: A North Korean fighter plane crosses seven miles (11 km) south of the Northern Limit Line, and returns north after being intercepted by six South Korean planes.
* March 2, 2003: Four North Korean fighter jets intercept a US reconnaissance plane over the Sea of Japan.
* July 17, 2003: North and South Korean forces exchange fire at the DMZ around 6 AM. The South Korean army reports four rounds fired from the North and seventeen from the South. No injuries are reported. [8]
* November 1, 2004: North Korean vessels, claiming to be in pursuit of illegal fishing craft, cross the Northern Limit Line and are fired upon by the South. The vessels retreat 3 hours later.
* July 30, 2006: Several rounds are exchanged near a South Korean post in Yanggu, Gangwon.
Wikinews has related news: Korean navies exchange fire
* November 10, 2009: Naval vessels from the two Koreas exchanged fire in the area of the NLL, reportedly causing serious damage to a North Korean patrol ship.[9] For more details of this incident, see Battle of Daecheong.
2010s
* March 26, 2010: A South Korean naval vessel, the ROKS Cheonan, was sunk by an explosion near Baengnyeong Island in the Yellow Sea. A rescue operation recovered 58 survivors but 46 sailors were lost. On May 20, 2010, a South Korean led international investigation group concluded that the sinking of the warship was in fact the result of a North Korean torpedo attack.[10][11] North Korea denied involvement.[12] The United Nations Security Council made a Presidential Statement condemning the attack but without identifying the attacker.[13]
* November 23, 2010: North Korea fired artillery at South Korea's Big Yeonpyeong island in the Yellow Sea and South Korea returned fire. Two South Korean marines were killed, six were seriously wounded, and ten were treated for minor injuries.[14] [15][16]