Canada in the Korean War take part in the Korean War. Special Force Second Battalions of the Royal Canadian Regiment and Royal 22nd Regiment were formed and sent to Korea in 1951. By spring 1951, 8500 Canadians troops were supporting the United Nations, alongside 12,500 British, 5000 Filipino troops and 5000 Turkish troops. From the summer of 1951 to the end of the war, most of the Canadian involvement centered on a small area north of Seoul "between the 38th parallel on the south and the town of Chorwon on the north, and from the Sami-Chon River east to Chail-li". The Canadian war front was
Forward air control operations during the Korean War Forward air control operations during the Korean War Forward air controllers in the Korean War were prominent throughout the conflict. United Nations forces depended upon improvised U.S. forward air control systems. The United States military held two competing doctrines for directing close air support (CAS). The U.S. Marine Corps' system depended on an organic supporting air wing delivering ordnance within 1,000 yards of front-line troops; this was to compensate for their weakness in artillery caused by being an amphibious force. On the other hand, the U.S. Army believed close air support should extend the range of its own organic artillery;