天安沈没事件
also: チョンアンちんぼつじけん
Meanings
1
sinking of the South Korean navy ship Cheonan
Refers to the 2010 incident in which the ROKS Cheonan was sunk, allegedly by a North Korean torpedo. Used in news and historical contexts.
The Cheonan sinking incident occurred on March 26, 2010.
There are various views on the cause of the Cheonan sinking incident.