Daecheong incident
The Daecheong incident, also known as the Battle of Daecheong, was a skirmish between the South Korean and North Korean navies near the Northern Limit Line (NLL) on 10 November 2009 off Daecheong Island. == Engagement == The incident began at 11:27 am when a North Korean navy patrol boat crossed the NLL, which is not recognised by the DPRK, followed by two verbal warnings from South Korean naval units.