Northern Limit Line mainland portion reverted to North Korean control, while the islands remained a part of South Korea despite their close proximity. The line extends into the sea from the Military Demarcation Line (MDL), and consists of straight line segments between 12 approximate channel midpoints, extended in an arc to prevent egress between both sides. On its western end the line extends out along the 38th parallel to the median line between Korea and China. The 1953 Armistice Agreement, which was signed by both North Korea and the United Nations Command (UNC), ended the Korean War and specified that the five islands
Canada in the Korean War before hostilities broke out but is currently a special city of the North. North Korea and the United States signed the , which Syngman Rhee refused to sign. After the war ended, Canadians remained in Korea for three years as military observers. Between 1950 and 1956, over 25,000 Canadians served in Korea, and 516 died. The United Nations Memorial Cemetery in Busan, South Korea has the remains of 378 Canadians who died during the war. Canada in the Korean War The Canadian Forces were involved in the 1950–1953 Korean War and its aftermath. 26,000 Canadians participated on the side of