The ROK Navy is the oldest service within the ROK Armed Forces .
The Republic of Korea Navy was founded on November 11 , 1945 as Marine Defense Group after Korea was liberated from the Empire of Japan .
The Republic of Korea Navy   is the oldest service within the ROK Armed Forces .
The Republic of Korea Navy was founded on November 11 , 1945 as Marine Defense Group after Korea was liberated from the Empire of Japan .