English: Rearming ROK Pak Tu San (PC-701), March 1950, Ford Island, Pearl Harbor Hawaii. Pa Tu San (also known as Bak Dusan; 백두산 in Hangul; Revised Romanization: Baekdusan) was the first significant warship of the Republic of Korea Navy. (Republic of Korea Patrol Craft, PC-701, formerly USS PC-823) Receiving her 3/50 main gun at Pearl Harbor Naval Shipyard, March 1950. Photograph released 17 March 1950 by 14th Naval District PIO, with the following caption: GUNS INSTALLED ON KOREAN PATROL CRAFT .... The Pearl Harbor Naval Shipyard on Wednesday started placing guns on the vacant mounts of the Korean Naval Patrol Craft 'Bak Dusan'. Scheduled for installation on the craft is one 3 anti-aircraft gun and six .50 caliber machine guns. The work at the local shipyard was authorized by the Secretary of Defense. Shown above are shipyard workers placing the 3 gun on the mount while Korean Naval Officers watch the operation. The 'Bak Dusan' which arrived in the Islands from New York on January 24, is enroute to its homeland.