[Braak]

Data on the NK Navy:

http://www.globalsecurity.org/military/world/dprk/navy.htm

and, on Romeo and Whiskey class subs.

http://en.wikipedia.org/wiki/Romeo_class_submarine

http://en.wikipedia.org/wiki/Whiskey_class_submarine

In short, assuming this was a Po-Heng class South Korean Corvette (tonnage and crew compliment match up), then this was and I am pissed to say it...a pretty ballsy and capable NK sub driver.

[Braak]

http://en.wikipedia.org/wiki/Pohang_class_corvette And wiki may know which one of the class it was.

Cheonan PCC-772 1989 Destroyed - Sank after unknown explosion, 26 March 2010

She would be the first warship since General Belgrano during the Falklands to be sunk by a hostile submarine.

[myself6]

Eye on the target....

...and the priority target are the marxists who just instituted tyranny on THIS union.

Do NOT be distracted by anything else. Concentrate fire on the primary enemy.