38th parallel north This sparked a United Nations resolution against the aggression and the Korean War, with United Nations troops (mostly Americans) helping to defend South Korea. After the Armistice agreement was signed on July 27, 1953, a new line was established to separate North Korea and South Korea. This Military Demarcation Line is surrounded by a Demilitarized Zone. It crosses the 38th parallel, from the southwest to the northeast. The Demarcation Line is often confused with 38th parallel, but as can be seen in the image of the map, the two are not the same. 38th parallel north The 38th parallel north
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;