ROKN upgrades undersea warfare fleet 

 -  2006 
<br/><br/> The Republic of Korea Navy (ROKN) launched its first licence built 1,800 tonne class 212 type 214 submarine. Their future plans to build three medium size next generation submarines between 2010 and 2022. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>KOREA--NAVY