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 about 30 miles across and was a section of the United Nations front occupied by British Commonwealth forces. Most of the Canadians' combat missions took place on the 30 mile zone. The Canadians' two main adversaries during the war were the North Korean army and the Chinese in the Battle of Kapyong. Canada's military objective was to give military support towards the resolution of the war on the central front, which was central Korea. Operation Killer was a counter-offensive by the United Nations forces to push Communist Chinese and North Korean Armies back behind the Han River and recover the