Turkey was a member of the UN. Technically it was the UN that was waging war in Korea under the direction of the US. read more
Korean War - Wikipedia. Turkey and Greece were to participate in order to express their gratitude to the USA and UK. Greece was recently rescued in the civil war and saved from the communist evil. 1263 Greek soldiers participated, 192 were dead in the war. 5453 Turkish soldiers participated, 741 were dead in the war. Turkey was also threatened by Stalin. read more
The Turkish Brigade was a Turkish Army Infantry Brigade that served with the United Nations Command during the Korean War between 1950 and 1953. Attached to the U.S. 25th Infantry Division, the Turkish Brigade fought in several actions and was awarded Unit Citations from Korea and the United States after fighting in the Kunuri Battle. The Turkish Brigade developed a reputation for its fighting ability, stubborn defense, commitment to mission, and bravery. read more