Korean War two years of fighting became a war of attrition, with the front line close to the 38th parallel. The war in the air, however, was never a stalemate. North Korea was subject to a massive bombing campaign. Jet fighters confronted each other in air-to-air combat for the first time in history, and Soviet pilots covertly flew in defense of their communist allies. The fighting ended on 27 July 1953, when an armistice was signed. The agreement created the Korean Demilitarized Zone to separate North and South Korea, and allowed the return of prisoners. However, no peace treaty was ever signed,
Thailand in the Korean War Thailand in the Korean War Thailand was one of the 21 countries who responded to the United Nations request to send troops to aid South Korea during the Korean War 1950-53. As well as being one of the first countries to openly express its support for South Korea's cause, whilst also being one of the UN's larger contributors to the war. Thai support was important to battles determining the outcome of the war, including Pork Chop Hill and the Third Battle of Seoul. Thailand was the first country in Asia to send aid to South Korea. Realising that a communist